138957204 has 12 divisors (see below), whose sum is σ = 324233504. Its totient is φ = 46319064.

The previous prime is 138957199. The next prime is 138957257. The reversal of 138957204 is 402759831.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5789872 + ... + 5789895.

Almost surely, 2^138957204 is an apocalyptic number.

It is an amenable number.

138957204 is an abundant number, since it is smaller than the sum of its proper divisors (185276300).

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

138957204 is a wasteful number, since it uses less digits than its factorization.

138957204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579774 (or 11579772 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 138957204 is about 11788.0110281591. The cubic root of 138957204 is about 517.9569787817.

The spelling of 138957204 in words is "one hundred thirty-eight million, nine hundred fifty-seven thousand, two hundred four".