18140875 has 16 divisors (see below), whose sum is σ = 22875840. Its totient is φ = 14361600.

The previous prime is 18140869. The next prime is 18140891. The reversal of 18140875 is 57804181.

It is not a de Polignac number, because 18140875 - 2³ = 18140867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18140875.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12171 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (1429740).

Almost surely, 2^18140875 is an apocalyptic number.

18140875 is a deficient number, since it is larger than the sum of its proper divisors (4734965).

18140875 is a wasteful number, since it uses less digits than its factorization.

18140875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 18140875 is about 4259.2106076126. The cubic root of 18140875 is about 262.7560615512.

The spelling of 18140875 in words is "eighteen million, one hundred forty thousand, eight hundred seventy-five".