2139139835 has 48 divisors (see below), whose sum is σ = 3179450880. Its totient is φ = 1372815360.

The previous prime is 2139139819. The next prime is 2139139843. The reversal of 2139139835 is 5389319312.

It is not a de Polignac number, because 2139139835 - 2⁴ = 2139139819 is a prime.

Its product of digits (174960) is a multiple of the sum of its prime factors (2916).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 794171 + ... + 796859.

It is an arithmetic number, because the mean of its divisors is an integer number (66238560).

Almost surely, 2^2139139835 is an apocalyptic number.

2139139835 is a deficient number, since it is larger than the sum of its proper divisors (1040311045).

2139139835 is a wasteful number, since it uses less digits than its factorization.

2139139835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916 (or 2909 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 2139139835 is about 46250.8360464976. The cubic root of 2139139835 is about 1288.4860622159.

The spelling of 2139139835 in words is "two billion, one hundred thirty-nine million, one hundred thirty-nine thousand, eight hundred thirty-five".