90136275 has 24 divisors (see below), whose sum is σ = 151133184. Its totient is φ = 47392800.

The previous prime is 90136259. The next prime is 90136289. The reversal of 90136275 is 57263109.

It is not a de Polignac number, because 90136275 - 2⁴ = 90136259 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3139 + ... + 13788.

It is an arithmetic number, because the mean of its divisors is an integer number (6297216).

Almost surely, 2^90136275 is an apocalyptic number.

90136275 is a deficient number, since it is larger than the sum of its proper divisors (60996909).

90136275 is a wasteful number, since it uses less digits than its factorization.

90136275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011 (or 17006 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 90136275 is about 9494.0125868886. The cubic root of 90136275 is about 448.3665470466.

The spelling of 90136275 in words is "ninety million, one hundred thirty-six thousand, two hundred seventy-five".