139968492888680 has 32 divisors (see below), whose sum is σ = 316861189437600. Its totient is φ = 55643916188736.

The previous prime is 139968492888643. The next prime is 139968492888811. The reversal of 139968492888680 is 86888294869931.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10733773610 + ... + 10733786649.

It is an arithmetic number, because the mean of its divisors is an integer number (9901912169925).

Almost surely, 2^{139968492888680} is an apocalyptic number.

139968492888680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139968492888680 is an abundant number, since it is smaller than the sum of its proper divisors (176892696548920).

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

139968492888680 is a wasteful number, since it uses less digits than its factorization.

139968492888680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21467560433 (or 21467560429 counting only the distinct ones).

The product of its (nonzero) digits is 20639121408, while the sum is 89.

The spelling of 139968492888680 in words is "one hundred thirty-nine trillion, nine hundred sixty-eight billion, four hundred ninety-two million, eight hundred eighty-eight thousand, six hundred eighty".