900139092 has 24 divisors (see below), whose sum is σ = 2151553152. Its totient is φ = 292728000.

The previous prime is 900139073. The next prime is 900139099. The reversal of 900139092 is 290931009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900139099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914284 + ... + 915267.

It is an arithmetic number, because the mean of its divisors is an integer number (89648048).

Almost surely, 2^900139092 is an apocalyptic number.

It is an amenable number.

900139092 is an abundant number, since it is smaller than the sum of its proper divisors (1251414060).

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

900139092 is a wasteful number, since it uses less digits than its factorization.

900139092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829599 (or 1829597 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 900139092 is about 30002.3181104394. The cubic root of 900139092 is about 965.5391197656.

The spelling of 900139092 in words is "nine hundred million, one hundred thirty-nine thousand, ninety-two".