139372273931 has 8 divisors (see below), whose sum is σ = 154311772224. Its totient is φ = 124810990920.

The previous prime is 139372273897. The next prime is 139372273967.

139372273931 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-139372273931 is a prime.

It is a super-2 number, since 2×139372273931² (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 139372273931.

It is not an unprimeable number, because it can be changed into a prime (139372273981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94553045 + ... + 94554518.

It is an arithmetic number, because the mean of its divisors is an integer number (19288971528).

Almost surely, 2^139372273931 is an apocalyptic number.

139372273931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139372273931 is a deficient number, since it is larger than the sum of its proper divisors (14939498293).

139372273931 is a wasteful number, since it uses less digits than its factorization.

139372273931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189107641.

The product of its digits is 1285956, while the sum is 50.

The spelling of 139372273931 in words is "one hundred thirty-nine billion, three hundred seventy-two million, two hundred seventy-three thousand, nine hundred thirty-one".