18704012478134 has 8 divisors (see below), whose sum is σ = 28056050515080. Its totient is φ = 9351995639776.

The previous prime is 18704012478133. The next prime is 18704012478143. The reversal of 18704012478134 is 43187421040781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18704012478131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2871299 + ... + 6756654.

It is an arithmetic number, because the mean of its divisors is an integer number (3507006314385).

Almost surely, 2^{18704012478134} is an apocalyptic number.

18704012478134 is a deficient number, since it is larger than the sum of its proper divisors (9352038036946).

18704012478134 is an equidigital number, since it uses as much as digits as its factorization.

18704012478134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10599294.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 18704012478134 in words is "eighteen trillion, seven hundred four billion, twelve million, four hundred seventy-eight thousand, one hundred thirty-four".