3138162920 has 64 divisors (see below), whose sum is σ = 7146997200. Its totient is φ = 1240012800.

The previous prime is 3138162883. The next prime is 3138162967. The reversal of 3138162920 is 292618313.

It can be written as a sum of positive squares in 8 ways, for example, as 1516167844 + 1621995076 = 38938^2 + 40274^2 .

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, 3348692 + ... + 3349628.

Almost surely, 2^3138162920 is an apocalyptic number.

It is an amenable number.

3138162920 is an abundant number, since it is smaller than the sum of its proper divisors (4008834280).

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

3138162920 is a wasteful number, since it uses less digits than its factorization.

3138162920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3138162920 is about 56019.3084569954. The cubic root of 3138162920 is about 1464.0587196630.

The spelling of 3138162920 in words is "three billion, one hundred thirty-eight million, one hundred sixty-two thousand, nine hundred twenty".