18192014139 has 8 divisors (see below), whose sum is σ = 26121866512. Its totient is φ = 11195085600.

The previous prime is 18192014083. The next prime is 18192014173. The reversal of 18192014139 is 93141029181.

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

It is not a de Polignac number, because 18192014139 - 2⁸ = 18192013883 is a prime.

It is a super-2 number, since 2×18192014139² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 466461901 = 18192014139 / (1 + 8 + 1 + 9 + 2 + 0 + 1 + 4 + 1 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18192014097 and 18192014106.

It is not an unprimeable number, because it can be changed into a prime (18192014639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233230912 + ... + 233230989.

It is an arithmetic number, because the mean of its divisors is an integer number (3265233314).

Almost surely, 2^18192014139 is an apocalyptic number.

18192014139 is a deficient number, since it is larger than the sum of its proper divisors (7929852373).

18192014139 is a wasteful number, since it uses less digits than its factorization.

18192014139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466461917.

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 18192014139 in words is "eighteen billion, one hundred ninety-two million, fourteen thousand, one hundred thirty-nine".