139234694885 has 16 divisors (see below), whose sum is σ = 196291710720. Its totient is φ = 93472242240.

The previous prime is 139234694831. The next prime is 139234694887. The reversal of 139234694885 is 588496432931.

It is not a de Polignac number, because 139234694885 - 2⁶ = 139234694821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139234694887) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 97366205 + ... + 97367634.

It is an arithmetic number, because the mean of its divisors is an integer number (12268231920).

Almost surely, 2^139234694885 is an apocalyptic number.

It is an amenable number.

139234694885 is a deficient number, since it is larger than the sum of its proper divisors (57057015835).

139234694885 is a wasteful number, since it uses less digits than its factorization.

139234694885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194733868.

The product of its digits is 44789760, while the sum is 62.

The spelling of 139234694885 in words is "one hundred thirty-nine billion, two hundred thirty-four million, six hundred ninety-four thousand, eight hundred eighty-five".