37934631138 has 32 divisors (see below), whose sum is σ = 76003278912. Its totient is φ = 12622564800.

The previous prime is 37934631131. The next prime is 37934631143. The reversal of 37934631138 is 83113643973.

It is a super-2 number, since 2×37934631138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37934631131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14137545 + ... + 14140227.

It is an arithmetic number, because the mean of its divisors is an integer number (2375102466).

Almost surely, 2^37934631138 is an apocalyptic number.

37934631138 is an abundant number, since it is smaller than the sum of its proper divisors (38068647774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37934631138 is a wasteful number, since it uses less digits than its factorization.

37934631138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970.

The product of its digits is 979776, while the sum is 48.

The spelling of 37934631138 in words is "thirty-seven billion, nine hundred thirty-four million, six hundred thirty-one thousand, one hundred thirty-eight".