18132875 has 8 divisors (see below), whose sum is σ = 22629984. Its totient is φ = 14506200.

The previous prime is 18132871. The next prime is 18132887. The reversal of 18132875 is 57823181.

It is not a de Polignac number, because 18132875 - 2² = 18132871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18132871) 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 7 ways as a sum of consecutive naturals, for example, 72407 + ... + 72656.

It is an arithmetic number, because the mean of its divisors is an integer number (2828748).

Almost surely, 2^18132875 is an apocalyptic number.

18132875 is a deficient number, since it is larger than the sum of its proper divisors (4497109).

18132875 is an equidigital number, since it uses as much as digits as its factorization.

18132875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145078 (or 145068 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 18132875 is about 4258.2713628889. The cubic root of 18132875 is about 262.7174313388.

The spelling of 18132875 in words is "eighteen million, one hundred thirty-two thousand, eight hundred seventy-five".