In Mathematics
This number in base 10 can be expressed in operations using its own digits in at least two different ways. One is as a sum-product number,
(1 and 144 share this property) and the other is as the sum of consecutive powers of its digits:
(175, 518, and 598 also have this property).
135 is a Harshad number, and a repdigit in bases 18 and 26.
There are a total of 135 primes between 1,000 and 2,000.
for . This polynomial plays an essential role in Apéry's proof that is irrational.
Read more about this topic: 135 (number)
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