252138076 has 6 divisors (see below), whose sum is σ = 441241640. Its totient is φ = 126069036.

The previous prime is 252138049. The next prime is 252138083. The reversal of 252138076 is 670831252.

It is a happy number.

252138076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31517256 + ... + 31517263.

Almost surely, 2^252138076 is an apocalyptic number.

It is an amenable number.

252138076 is a deficient number, since it is larger than the sum of its proper divisors (189103564).

252138076 is a wasteful number, since it uses less digits than its factorization.

252138076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63034523 (or 63034521 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 252138076 is about 15878.8562560406. The cubic root of 252138076 is about 631.7513008277.

The spelling of 252138076 in words is "two hundred fifty-two million, one hundred thirty-eight thousand, seventy-six".