2139102572 has 12 divisors (see below), whose sum is σ = 3743921496. Its totient is φ = 1069410720.

The previous prime is 2139102527. The next prime is 2139102601. The reversal of 2139102572 is 2752019312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3923 + ... + 65525.

It is an arithmetic number, because the mean of its divisors is an integer number (311993458).

Almost surely, 2^2139102572 is an apocalyptic number.

It is an amenable number.

2139102572 is a deficient number, since it is larger than the sum of its proper divisors (1604818924).

2139102572 is a wasteful number, since it uses less digits than its factorization.

2139102572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70288 (or 70286 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 2139102572 is about 46250.4332087819. The cubic root of 2139102572 is about 1288.4785805272.

The spelling of 2139102572 in words is "two billion, one hundred thirty-nine million, one hundred two thousand, five hundred seventy-two".