90135674 has 16 divisors (see below), whose sum is σ = 137840136. Its totient is φ = 44193600.

The previous prime is 90135673. The next prime is 90135691. The reversal of 90135674 is 47653109.

It can be written as a sum of positive squares in 4 ways, for example, as 27615025 + 62520649 = 5255^2 + 7907^2 .

It is not an unprimeable number, because it can be changed into a prime (90135673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47504 + ... + 49364.

Almost surely, 2^90135674 is an apocalyptic number.

90135674 is a deficient number, since it is larger than the sum of its proper divisors (47704462).

90135674 is a wasteful number, since it uses less digits than its factorization.

90135674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 90135674 is about 9493.9809353084. The cubic root of 90135674 is about 448.3655505225.

It can be divided in two parts, 90135 and 674, that added together give a palindrome (90809).

The spelling of 90135674 in words is "ninety million, one hundred thirty-five thousand, six hundred seventy-four".