139655437968 has 40 divisors (see below), whose sum is σ = 372414505216. Its totient is φ = 45050140800.

The previous prime is 139655437967. The next prime is 139655437997. The reversal of 139655437968 is 869734556931.

It is a junction number, because it is equal to n+sod(n) for n = 139655437899 and 139655437908.

It is not an unprimeable number, because it can be changed into a prime (139655437967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46925743 + ... + 46928718.

Almost surely, 2^139655437968 is an apocalyptic number.

It is an amenable number.

139655437968 is an abundant number, since it is smaller than the sum of its proper divisors (232759067248).

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

139655437968 is a wasteful number, since it uses less digits than its factorization.

139655437968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93854503 (or 93854497 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 66.

The spelling of 139655437968 in words is "one hundred thirty-nine billion, six hundred fifty-five million, four hundred thirty-seven thousand, nine hundred sixty-eight".