90134004 has 12 divisors (see below), whose sum is σ = 210312704. Its totient is φ = 30044664.

The previous prime is 90133997. The next prime is 90134021. The reversal of 90134004 is 40043109.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 3755572 + ... + 3755595.

Almost surely, 2^90134004 is an apocalyptic number.

It is an amenable number.

90134004 is an abundant number, since it is smaller than the sum of its proper divisors (120178700).

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

90134004 is a wasteful number, since it uses less digits than its factorization.

90134004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511174 (or 7511172 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 90134004 is about 9493.8929844401. The cubic root of 90134004 is about 448.3627814558.

The spelling of 90134004 in words is "ninety million, one hundred thirty-four thousand, four".