18131795 has 16 divisors (see below), whose sum is σ = 24986880. Its totient is φ = 12492000.

The previous prime is 18131783. The next prime is 18131803. The reversal of 18131795 is 59713181.

It is not a de Polignac number, because 18131795 - 2⁶ = 18131731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7631 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (1561680).

Almost surely, 2^18131795 is an apocalyptic number.

18131795 is a deficient number, since it is larger than the sum of its proper divisors (6855085).

18131795 is a wasteful number, since it uses less digits than its factorization.

18131795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386.

The product of its digits is 7560, while the sum is 35.

The square root of 18131795 is about 4258.1445489791. The cubic root of 18131795 is about 262.7122153897.

The spelling of 18131795 in words is "eighteen million, one hundred thirty-one thousand, seven hundred ninety-five".