90331134 has 32 divisors (see below), whose sum is σ = 187297440. Its totient is φ = 29020032.

The previous prime is 90331123. The next prime is 90331151. The reversal of 90331134 is 43113309.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22332 + ... + 26064.

It is an arithmetic number, because the mean of its divisors is an integer number (5853045).

Almost surely, 2^90331134 is an apocalyptic number.

90331134 is an abundant number, since it is smaller than the sum of its proper divisors (96966306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90331134 is a wasteful number, since it uses less digits than its factorization.

90331134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 90331134 is about 9504.2692512365. The cubic root of 90331134 is about 448.6894114137.

The spelling of 90331134 in words is "ninety million, three hundred thirty-one thousand, one hundred thirty-four".