18750500139 has 16 divisors (see below), whose sum is σ = 28574330112. Its totient is φ = 10713769248.

The previous prime is 18750500129. The next prime is 18750500161. The reversal of 18750500139 is 93100505781.

It is not a de Polignac number, because 18750500139 - 2⁵ = 18750500107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18750500097 and 18750500106.

It is not an unprimeable number, because it can be changed into a prime (18750500129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363097 + ... + 411509.

It is an arithmetic number, because the mean of its divisors is an integer number (1785895632).

Almost surely, 2^18750500139 is an apocalyptic number.

18750500139 is a deficient number, since it is larger than the sum of its proper divisors (9823829973).

18750500139 is a wasteful number, since it uses less digits than its factorization.

18750500139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66866.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 18750500139 in words is "eighteen billion, seven hundred fifty million, five hundred thousand, one hundred thirty-nine".