18539718703134 has 64 divisors (see below), whose sum is σ = 39729834946560. Its totient is φ = 5750486369280.

The previous prime is 18539718703133. The next prime is 18539718703139. The reversal of 18539718703134 is 43130781793581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18539718703133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2616382 + ... + 6627585.

It is an arithmetic number, because the mean of its divisors is an integer number (620778671040).

Almost surely, 2^{18539718703134} is an apocalyptic number.

18539718703134 is an abundant number, since it is smaller than the sum of its proper divisors (21190116243426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18539718703134 is a wasteful number, since it uses less digits than its factorization.

18539718703134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244305.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 18539718703134 in words is "eighteen trillion, five hundred thirty-nine billion, seven hundred eighteen million, seven hundred three thousand, one hundred thirty-four".