139377173706 has 24 divisors (see below), whose sum is σ = 302476533060. Its totient is φ = 46383264576.

The previous prime is 139377173693. The next prime is 139377173723. The reversal of 139377173706 is 607371773931.

139377173706 is a `hidden beast` number, since 1 + 39 + 377 + 173 + 70 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99030425481 + 40346748225 = 314691^2 + 200865^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6304771 + ... + 6326838.

Almost surely, 2^139377173706 is an apocalyptic number.

139377173706 is an abundant number, since it is smaller than the sum of its proper divisors (163099359354).

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

139377173706 is a wasteful number, since it uses less digits than its factorization.

139377173706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632230 (or 12632227 counting only the distinct ones).

The product of its (nonzero) digits is 3500658, while the sum is 54.

The spelling of 139377173706 in words is "one hundred thirty-nine billion, three hundred seventy-seven million, one hundred seventy-three thousand, seven hundred six".