18107132 has 12 divisors (see below), whose sum is σ = 32285736. Its totient is φ = 8882640.

The previous prime is 18107119. The next prime is 18107143. The reversal of 18107132 is 23170181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18107098 and 18107107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42494 + ... + 42917.

It is an arithmetic number, because the mean of its divisors is an integer number (2690478).

Almost surely, 2^18107132 is an apocalyptic number.

It is an amenable number.

18107132 is a deficient number, since it is larger than the sum of its proper divisors (14178604).

18107132 is a wasteful number, since it uses less digits than its factorization.

18107132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85468 (or 85466 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 18107132 is about 4255.2475838663. The cubic root of 18107132 is about 262.5930469840.

The spelling of 18107132 in words is "eighteen million, one hundred seven thousand, one hundred thirty-two".