139553396939 has 12 divisors (see below), whose sum is σ = 153886671120. Its totient is φ = 126458758800.

The previous prime is 139553396921. The next prime is 139553396953. The reversal of 139553396939 is 939693355931.

139553396939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139553396939 - 2²⁰ = 139552348363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139553396959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1816604 + ... + 1891865.

It is an arithmetic number, because the mean of its divisors is an integer number (12823889260).

Almost surely, 2^139553396939 is an apocalyptic number.

139553396939 is a deficient number, since it is larger than the sum of its proper divisors (14333274181).

139553396939 is a wasteful number, since it uses less digits than its factorization.

139553396939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708802 (or 3708791 counting only the distinct ones).

The product of its digits is 79716150, while the sum is 65.

The spelling of 139553396939 in words is "one hundred thirty-nine billion, five hundred fifty-three million, three hundred ninety-six thousand, nine hundred thirty-nine".