3139697377 has 4 divisors (see below), whose sum is σ = 3324385476. Its totient is φ = 2955009280.

The previous prime is 3139697359. The next prime is 3139697381. The reversal of 3139697377 is 7737969313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1265153761 + 1874543616 = 35569^2 + 43296^2 .

It is a cyclic number.

It is not a de Polignac number, because 3139697377 - 2¹⁵ = 3139664609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3139697347) 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 3 ways as a sum of consecutive naturals, for example, 92344024 + ... + 92344057.

It is an arithmetic number, because the mean of its divisors is an integer number (831096369).

Almost surely, 2^3139697377 is an apocalyptic number.

It is an amenable number.

3139697377 is a deficient number, since it is larger than the sum of its proper divisors (184688099).

3139697377 is a wasteful number, since it uses less digits than its factorization.

3139697377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184688098.

The product of its digits is 4500846, while the sum is 55.

The square root of 3139697377 is about 56033.0025699141. The cubic root of 3139697377 is about 1464.2973060745.

The spelling of 3139697377 in words is "three billion, one hundred thirty-nine million, six hundred ninety-seven thousand, three hundred seventy-seven".