139913402500 has 45 divisors (see below), whose sum is σ = 306003532681. Its totient is φ = 55957880000.

The previous prime is 139913402429. The next prime is 139913402501. The reversal of 139913402500 is 5204319931.

The square root of 139913402500 is 374050.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 52041471876 + 87871930624 = 228126^2 + 296432^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139913402500.

It is not an unprimeable number, because it can be changed into a prime (139913402501) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18698760 + ... + 18706240.

Almost surely, 2^139913402500 is an apocalyptic number.

139913402500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139913402500 is the 374050-th square number.

It is an amenable number.

139913402500 is an abundant number, since it is smaller than the sum of its proper divisors (166090130181).

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

139913402500 is an frugal number, since it uses more digits than its factorization.

139913402500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14986 (or 7488 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 139913402500 in words is "one hundred thirty-nine billion, nine hundred thirteen million, four hundred two thousand, five hundred".