139931357476 has 27 divisors (see below), whose sum is σ = 249658172211. Its totient is φ = 68626119744.

The previous prime is 139931357471. The next prime is 139931357509. The reversal of 139931357476 is 674753139931.

The square root of 139931357476 is 374074.

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

It can be written as a sum of positive squares in 4 ways, for example, as 8290102500 + 131641254976 = 91050^2 + 362824^2 .

It is a super-2 number, since 2×139931357476² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

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 139931357476.

It is not an unprimeable number, because it can be changed into a prime (139931357471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39650080 + ... + 39653608.

Almost surely, 2^139931357476 is an apocalyptic number.

139931357476 is the 374074-th square number.

It is an amenable number.

139931357476 is a deficient number, since it is larger than the sum of its proper divisors (109726814735).

139931357476 is an frugal number, since it uses more digits than its factorization.

139931357476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168 (or 3584 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 58.

The spelling of 139931357476 in words is "one hundred thirty-nine billion, nine hundred thirty-one million, three hundred fifty-seven thousand, four hundred seventy-six".