3138656052 has 48 divisors (see below), whose sum is σ = 8547840000. Its totient is φ = 877677792.

The previous prime is 3138656023. The next prime is 3138656069. The reversal of 3138656052 is 2506568313.

It is a self number, because there is not a number n which added to its sum of digits gives 3138656052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393552 + ... + 401447.

It is an arithmetic number, because the mean of its divisors is an integer number (178080000).

Almost surely, 2^3138656052 is an apocalyptic number.

It is an amenable number.

3138656052 is an abundant number, since it is smaller than the sum of its proper divisors (5409183948).

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

3138656052 is a wasteful number, since it uses less digits than its factorization.

3138656052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795060 (or 795058 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 3138656052 is about 56023.7097307917. The cubic root of 3138656052 is about 1464.1354032099.

The spelling of 3138656052 in words is "three billion, one hundred thirty-eight million, six hundred fifty-six thousand, fifty-two".