2139437937 has 64 divisors (see below), whose sum is σ = 3674832896. Its totient is φ = 1076820480.

The previous prime is 2139437899. The next prime is 2139437941. The reversal of 2139437937 is 7397349312.

It is not a de Polignac number, because 2139437937 - 2⁶ = 2139437873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2139437977) 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 63 ways as a sum of consecutive naturals, for example, 616068 + ... + 619530.

It is an arithmetic number, because the mean of its divisors is an integer number (57419264).

Almost surely, 2^2139437937 is an apocalyptic number.

It is an amenable number.

2139437937 is a deficient number, since it is larger than the sum of its proper divisors (1535394959).

2139437937 is a wasteful number, since it uses less digits than its factorization.

2139437937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its digits is 857304, while the sum is 48.

The square root of 2139437937 is about 46254.0586003001. The cubic root of 2139437937 is about 1288.5459121963.

The spelling of 2139437937 in words is "two billion, one hundred thirty-nine million, four hundred thirty-seven thousand, nine hundred thirty-seven".