3138694924 has 12 divisors (see below), whose sum is σ = 5521177144. Its totient is φ = 1561215744.

The previous prime is 3138694919. The next prime is 3138694939. The reversal of 3138694924 is 4294968313.

3138694924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 2032062 + ... + 2033605.

Almost surely, 2^3138694924 is an apocalyptic number.

It is an amenable number.

3138694924 is a deficient number, since it is larger than the sum of its proper divisors (2382482220).

3138694924 is a wasteful number, since it uses less digits than its factorization.

3138694924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065864 (or 4065862 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 3138694924 is about 56024.0566542624. The cubic root of 3138694924 is about 1464.1414475842.

The spelling of 3138694924 in words is "three billion, one hundred thirty-eight million, six hundred ninety-four thousand, nine hundred twenty-four".