18107133 has 16 divisors (see below), whose sum is σ = 27724800. Its totient is φ = 10396080.

The previous prime is 18107119. The next prime is 18107143. The reversal of 18107133 is 33170181.

It is not a de Polignac number, because 18107133 - 2⁵ = 18107101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18107143) 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 15 ways as a sum of consecutive naturals, for example, 13813 + ... + 15066.

It is an arithmetic number, because the mean of its divisors is an integer number (1732800).

Almost surely, 2^18107133 is an apocalyptic number.

It is an amenable number.

18107133 is a deficient number, since it is larger than the sum of its proper divisors (9617667).

18107133 is a wasteful number, since it uses less digits than its factorization.

18107133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28912.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 18107133 is about 4255.2477013683. The cubic root of 18107133 is about 262.5930518181.

The spelling of 18107133 in words is "eighteen million, one hundred seven thousand, one hundred thirty-three".