139087317156 has 24 divisors (see below), whose sum is σ = 325071747840. Its totient is φ = 46286056992.

The previous prime is 139087317151. The next prime is 139087317163. The reversal of 139087317156 is 651713780931.

It is a junction number, because it is equal to n+sod(n) for n = 139087317099 and 139087317108.

It is not an unprimeable number, because it can be changed into a prime (139087317151) 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, 9540171 + ... + 9554738.

It is an arithmetic number, because the mean of its divisors is an integer number (13544656160).

Almost surely, 2^139087317156 is an apocalyptic number.

It is an amenable number.

139087317156 is an abundant number, since it is smaller than the sum of its proper divisors (185984430684).

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

139087317156 is a wasteful number, since it uses less digits than its factorization.

139087317156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19095523 (or 19095521 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 139087317156 in words is "one hundred thirty-nine billion, eighty-seven million, three hundred seventeen thousand, one hundred fifty-six".