3139391163 has 4 divisors (see below), whose sum is σ = 4185854888. Its totient is φ = 2092927440.

The previous prime is 3139391137. The next prime is 3139391267. The reversal of 3139391163 is 3611939313.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3139391163 - 2⁸ = 3139390907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3139391113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523231858 + ... + 523231863.

It is an arithmetic number, because the mean of its divisors is an integer number (1046463722).

Almost surely, 2^3139391163 is an apocalyptic number.

3139391163 is a deficient number, since it is larger than the sum of its proper divisors (1046463725).

3139391163 is a wasteful number, since it uses less digits than its factorization.

3139391163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046463724.

The product of its digits is 39366, while the sum is 39.

The square root of 3139391163 is about 56030.2700600309. The cubic root of 3139391163 is about 1464.2497003279.

The spelling of 3139391163 in words is "three billion, one hundred thirty-nine million, three hundred ninety-one thousand, one hundred sixty-three".