3139388930 has 16 divisors (see below), whose sum is σ = 5652133560. Its totient is φ = 1255481472.

The previous prime is 3139388927. The next prime is 3139388947. The reversal of 3139388930 is 398839313.

It can be written as a sum of positive squares in 4 ways, for example, as 2969269081 + 170119849 = 54491^2 + 13043^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17576 + ... + 81164.

Almost surely, 2^3139388930 is an apocalyptic number.

3139388930 is a deficient number, since it is larger than the sum of its proper divisors (2512744630).

3139388930 is a wasteful number, since it uses less digits than its factorization.

3139388930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68533.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 3139388930 is about 56030.2501332985. The cubic root of 3139388930 is about 1464.2493531618.

The spelling of 3139388930 in words is "three billion, one hundred thirty-nine million, three hundred eighty-eight thousand, nine hundred thirty".