139363363931 has 24 divisors (see below), whose sum is σ = 158590286400. Its totient is φ = 121444051680.

The previous prime is 139363363879. The next prime is 139363363933.

139363363931 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 139363363931 - 2¹⁰ = 139363362907 is a prime.

It is a super-2 number, since 2×139363363931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139363363931.

It is not an unprimeable number, because it can be changed into a prime (139363363933) 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 23 ways as a sum of consecutive naturals, for example, 1231700 + ... + 1340078.

It is an arithmetic number, because the mean of its divisors is an integer number (6607928600).

Almost surely, 2^139363363931 is an apocalyptic number.

139363363931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139363363931 is a deficient number, since it is larger than the sum of its proper divisors (19226922469).

139363363931 is a wasteful number, since it uses less digits than its factorization.

139363363931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108587 (or 108558 counting only the distinct ones).

The product of its digits is 2125764, while the sum is 50.

The spelling of 139363363931 in words is "one hundred thirty-nine billion, three hundred sixty-three million, three hundred sixty-three thousand, nine hundred thirty-one".