2139079167 has 6 divisors (see below), whose sum is σ = 3089781032. Its totient is φ = 1426052772.

The previous prime is 2139079139. The next prime is 2139079171. The reversal of 2139079167 is 7619709312.

It is not a de Polignac number, because 2139079167 - 2¹⁶ = 2139013631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139079967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118837723 + ... + 118837740.

Almost surely, 2^2139079167 is an apocalyptic number.

2139079167 is a deficient number, since it is larger than the sum of its proper divisors (950701865).

2139079167 is a wasteful number, since it uses less digits than its factorization.

2139079167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237675469 (or 237675466 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 2139079167 is about 46250.1801834328. The cubic root of 2139079167 is about 1288.4738812121.

The spelling of 2139079167 in words is "two billion, one hundred thirty-nine million, seventy-nine thousand, one hundred sixty-seven".