3108188139 has 20 divisors (see below), whose sum is σ = 4834682856. Its totient is φ = 1776103392.

The previous prime is 3108188119. The next prime is 3108188141. The reversal of 3108188139 is 9318818013.

It is not a de Polignac number, because 3108188139 - 2⁵ = 3108188107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3108188139.

It is not an unprimeable number, because it can be changed into a prime (3108188119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 208554 + ... + 222959.

Almost surely, 2^3108188139 is an apocalyptic number.

3108188139 is a deficient number, since it is larger than the sum of its proper divisors (1726494717).

3108188139 is an frugal number, since it uses more digits than its factorization.

3108188139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431544 (or 431523 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 3108188139 is about 55751.1267957877. The cubic root of 3108188139 is about 1459.3823838879.

The spelling of 3108188139 in words is "three billion, one hundred eight million, one hundred eighty-eight thousand, one hundred thirty-nine".