136831505373 has 6 divisors (see below), whose sum is σ = 197645507774. Its totient is φ = 91221003576.

The previous prime is 136831505347. The next prime is 136831505383. The reversal of 136831505373 is 373505138631.

136831505373 is a `hidden beast` number, since 1 + 3 + 68 + 3 + 1 + 50 + 537 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 131488187769 + 5343317604 = 362613^2 + 73098^2 .

It is not a de Polignac number, because 136831505373 - 2⁸ = 136831505117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136831505383) 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, 7601750290 + ... + 7601750307.

Almost surely, 2^136831505373 is an apocalyptic number.

It is an amenable number.

136831505373 is a deficient number, since it is larger than the sum of its proper divisors (60814002401).

136831505373 is a wasteful number, since it uses less digits than its factorization.

136831505373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15203500603 (or 15203500600 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 136831505373 in words is "one hundred thirty-six billion, eight hundred thirty-one million, five hundred five thousand, three hundred seventy-three".