139307985896 has 64 divisors (see below), whose sum is σ = 274308249600. Its totient is φ = 66199320000.

The previous prime is 139307985847. The next prime is 139307985923. The reversal of 139307985896 is 698589703931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20271341 + ... + 20278211.

It is an arithmetic number, because the mean of its divisors is an integer number (4286066400).

Almost surely, 2^139307985896 is an apocalyptic number.

It is an amenable number.

139307985896 is a deficient number, since it is larger than the sum of its proper divisors (135000263704).

139307985896 is a wasteful number, since it uses less digits than its factorization.

139307985896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7586 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 68.

The spelling of 139307985896 in words is "one hundred thirty-nine billion, three hundred seven million, nine hundred eighty-five thousand, eight hundred ninety-six".