18140092 has 12 divisors (see below), whose sum is σ = 31897096. Its totient is φ = 9026640.

The previous prime is 18140063. The next prime is 18140093. The reversal of 18140092 is 29004181.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18140093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9903 + ... + 11590.

Almost surely, 2^18140092 is an apocalyptic number.

It is an amenable number.

18140092 is a deficient number, since it is larger than the sum of its proper divisors (13757004).

18140092 is a wasteful number, since it uses less digits than its factorization.

18140092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21708 (or 21706 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 18140092 is about 4259.1186881795. The cubic root of 18140092 is about 262.7522811206.

The spelling of 18140092 in words is "eighteen million, one hundred forty thousand, ninety-two".