139291675524 has 81 divisors (see below), whose sum is σ = 374130655717. Its totient is φ = 43687406208.

The previous prime is 139291675519. The next prime is 139291675559. The reversal of 139291675524 is 425576192931.

The square root of 139291675524 is 373218.

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

139291675524 is a `hidden beast` number, since 1 + 3 + 9 + 29 + 1 + 67 + 552 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 108445076100 + 30846599424 = 329310^2 + 175632^2 .

It is a Duffinian number.

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 26 ways as a sum of consecutive naturals, for example, 38066407 + ... + 38070065.

Almost surely, 2^139291675524 is an apocalyptic number.

139291675524 is the 373218-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139291675524

139291675524 is an abundant number, since it is smaller than the sum of its proper divisors (234838980193).

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

139291675524 is an equidigital number, since it uses as much as digits as its factorization.

139291675524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362 (or 3681 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 139291675524 in words is "one hundred thirty-nine billion, two hundred ninety-one million, six hundred seventy-five thousand, five hundred twenty-four".