18178753903139 has 8 divisors (see below), whose sum is σ = 18522544320432. Its totient is φ = 17834992932640.

The previous prime is 18178753903117. The next prime is 18178753903153. The reversal of 18178753903139 is 93130935787181.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18178753903139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18178753902139) 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, 6113357 + ... + 8586654.

It is an arithmetic number, because the mean of its divisors is an integer number (2315318040054).

Almost surely, 2^{18178753903139} is an apocalyptic number.

18178753903139 is a deficient number, since it is larger than the sum of its proper divisors (343790417293).

18178753903139 is a wasteful number, since it uses less digits than its factorization.

18178753903139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14723397.

The product of its (nonzero) digits is 34292160, while the sum is 65.

The spelling of 18178753903139 in words is "eighteen trillion, one hundred seventy-eight billion, seven hundred fifty-three million, nine hundred three thousand, one hundred thirty-nine".