139617455072 has 12 divisors (see below), whose sum is σ = 274871864736. Its totient is φ = 69808727520.

The previous prime is 139617455057. The next prime is 139617455083. The reversal of 139617455072 is 270554716931.

It is a self number, because there is not a number n which added to its sum of digits gives 139617455072.

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, 2181522704 + ... + 2181522767.

It is an arithmetic number, because the mean of its divisors is an integer number (22905988728).

Almost surely, 2^139617455072 is an apocalyptic number.

It is an amenable number.

139617455072 is a deficient number, since it is larger than the sum of its proper divisors (135254409664).

139617455072 is an equidigital number, since it uses as much as digits as its factorization.

139617455072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363045481 (or 4363045473 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 139617455072 in words is "one hundred thirty-nine billion, six hundred seventeen million, four hundred fifty-five thousand, seventy-two".