139066121604 has 24 divisors (see below), whose sum is σ = 325524327520. Its totient is φ = 46207272384.

The previous prime is 139066121573. The next prime is 139066121617. The reversal of 139066121604 is 406121660931.

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, 18508774 + ... + 18516285.

Almost surely, 2^139066121604 is an apocalyptic number.

It is an amenable number.

139066121604 is an abundant number, since it is smaller than the sum of its proper divisors (186458205916).

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

139066121604 is a wasteful number, since it uses less digits than its factorization.

139066121604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37025379 (or 37025377 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 139066121604 in words is "one hundred thirty-nine billion, sixty-six million, one hundred twenty-one thousand, six hundred four".