139355231373 has 6 divisors (see below), whose sum is σ = 201290889774. Its totient is φ = 92903487576.

The previous prime is 139355231363. The next prime is 139355231443. The reversal of 139355231373 is 373132553931.

139355231373 is a `hidden beast` number, since 1 + 3 + 93 + 5 + 523 + 1 + 37 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122005599849 + 17349631524 = 349293^2 + 131718^2 .

It is not a de Polignac number, because 139355231373 - 2⁸ = 139355231117 is a prime.

It is a super-2 number, since 2×139355231373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139355231363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7741957290 + ... + 7741957307.

It is an arithmetic number, because the mean of its divisors is an integer number (33548481629).

Almost surely, 2^139355231373 is an apocalyptic number.

It is an amenable number.

139355231373 is a deficient number, since it is larger than the sum of its proper divisors (61935658401).

139355231373 is a wasteful number, since it uses less digits than its factorization.

139355231373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483914603 (or 15483914600 counting only the distinct ones).

The product of its digits is 765450, while the sum is 45.

The spelling of 139355231373 in words is "one hundred thirty-nine billion, three hundred fifty-five million, two hundred thirty-one thousand, three hundred seventy-three".