18342362139 has 16 divisors (see below), whose sum is σ = 25756156800. Its totient is φ = 11579029056.

The previous prime is 18342362113. The next prime is 18342362141. The reversal of 18342362139 is 93126324381.

It is not a de Polignac number, because 18342362139 - 2⁵ = 18342362107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18342362139.

It is not an unprimeable number, because it can be changed into a prime (18342362189) 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, 42052 + ... + 196094.

It is an arithmetic number, because the mean of its divisors is an integer number (1609759800).

Almost surely, 2^18342362139 is an apocalyptic number.

18342362139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

18342362139 is a deficient number, since it is larger than the sum of its proper divisors (7413794661).

18342362139 is a wasteful number, since it uses less digits than its factorization.

18342362139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156154.

The product of its digits is 186624, while the sum is 42.

The spelling of 18342362139 in words is "eighteen billion, three hundred forty-two million, three hundred sixty-two thousand, one hundred thirty-nine".