18752713137 has 24 divisors (see below), whose sum is σ = 28167158656. Its totient is φ = 12467684592.

The previous prime is 18752713129. The next prime is 18752713163. The reversal of 18752713137 is 73131725781.

18752713137 is a `hidden beast` number, since 1 + 87 + 527 + 13 + 1 + 37 = 666.

It is not a de Polignac number, because 18752713137 - 2³ = 18752713129 is a prime.

It is a super-2 number, since 2×18752713137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18752713092 and 18752713101.

It is not an unprimeable number, because it can be changed into a prime (18752713337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15958 + ... + 194319.

Almost surely, 2^18752713137 is an apocalyptic number.

It is an amenable number.

18752713137 is a deficient number, since it is larger than the sum of its proper divisors (9414445519).

18752713137 is an equidigital number, since it uses as much as digits as its factorization.

18752713137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210659 (or 210647 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The spelling of 18752713137 in words is "eighteen billion, seven hundred fifty-two million, seven hundred thirteen thousand, one hundred thirty-seven".