139231151608 has 8 divisors (see below), whose sum is σ = 261058409280. Its totient is φ = 69615575800.

The previous prime is 139231151561. The next prime is 139231151623. The reversal of 139231151608 is 806151132931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8701946968 + ... + 8701946983.

It is an arithmetic number, because the mean of its divisors is an integer number (32632301160).

Almost surely, 2^139231151608 is an apocalyptic number.

It is an amenable number.

139231151608 is a deficient number, since it is larger than the sum of its proper divisors (121827257672).

139231151608 is a wasteful number, since it uses less digits than its factorization.

139231151608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17403893957 (or 17403893953 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 139231151608 in words is "one hundred thirty-nine billion, two hundred thirty-one million, one hundred fifty-one thousand, six hundred eight".