90135297 has 48 divisors (see below), whose sum is σ = 157772160. Its totient is φ = 48439296.

The previous prime is 90135289. The next prime is 90135313. The reversal of 90135297 is 79253109.

It is not a de Polignac number, because 90135297 - 2³ = 90135289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90135797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307483 + ... + 307775.

It is an arithmetic number, because the mean of its divisors is an integer number (3286920).

Almost surely, 2^90135297 is an apocalyptic number.

It is an amenable number.

90135297 is a deficient number, since it is larger than the sum of its proper divisors (67636863).

90135297 is a wasteful number, since it uses less digits than its factorization.

90135297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 90135297 is about 9493.9610806028. The cubic root of 90135297 is about 448.3649254128.

The spelling of 90135297 in words is "ninety million, one hundred thirty-five thousand, two hundred ninety-seven".