2139437936 has 20 divisors (see below), whose sum is σ = 4177804032. Its totient is φ = 1061294976.

The previous prime is 2139437899. The next prime is 2139437941. The reversal of 2139437936 is 6397349312.

It is a congruent number.

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, 524405 + ... + 528468.

Almost surely, 2^2139437936 is an apocalyptic number.

It is an amenable number.

2139437936 is a deficient number, since it is larger than the sum of its proper divisors (2038366096).

2139437936 is a wasteful number, since it uses less digits than its factorization.

2139437936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053008 (or 1053002 counting only the distinct ones).

The product of its digits is 734832, while the sum is 47.

The square root of 2139437936 is about 46254.0585894903. The cubic root of 2139437936 is about 1288.5459119955.

The spelling of 2139437936 in words is "two billion, one hundred thirty-nine million, four hundred thirty-seven thousand, nine hundred thirty-six".