139739877459 has 64 divisors (see below), whose sum is σ = 254876590080. Its totient is φ = 73685738880.

The previous prime is 139739877451. The next prime is 139739877463. The reversal of 139739877459 is 954778937931.

139739877459 is a `hidden beast` number, since 1 + 3 + 97 + 3 + 9 + 87 + 7 + 459 = 666.

It is not a de Polignac number, because 139739877459 - 2³ = 139739877451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139739877451) 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 63 ways as a sum of consecutive naturals, for example, 10133149 + ... + 10146929.

It is an arithmetic number, because the mean of its divisors is an integer number (3982446720).

Almost surely, 2^139739877459 is an apocalyptic number.

139739877459 is a deficient number, since it is larger than the sum of its proper divisors (115136712621).

139739877459 is a wasteful number, since it uses less digits than its factorization.

139739877459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17937 (or 17931 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 72.

The spelling of 139739877459 in words is "one hundred thirty-nine billion, seven hundred thirty-nine million, eight hundred seventy-seven thousand, four hundred fifty-nine".