139835707538931 has 24 divisors (see below), whose sum is σ = 203997026834640. Its totient is φ = 92295247128000.

The previous prime is 139835707538909. The next prime is 139835707538941.

139835707538931 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 3 + 57 + 0 + 7 + 538 + 9 + 31 = 666.

139835707538931 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 139835707538931 - 2⁹ = 139835707538419 is a prime.

It is a super-2 number, since 2×139835707538931² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139835707538931.

It is not an unprimeable number, because it can be changed into a prime (139835707538941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10528240 + ... + 19761458.

It is an arithmetic number, because the mean of its divisors is an integer number (8499876118110).

Almost surely, 2^{139835707538931} is an apocalyptic number.

139835707538931 is a deficient number, since it is larger than the sum of its proper divisors (64161319295709).

139835707538931 is a wasteful number, since it uses less digits than its factorization.

139835707538931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249987 (or 9249984 counting only the distinct ones).

The product of its (nonzero) digits is 514382400, while the sum is 72.

The spelling of 139835707538931 in words is "one hundred thirty-nine trillion, eight hundred thirty-five billion, seven hundred seven million, five hundred thirty-eight thousand, nine hundred thirty-one".