18133089 has 8 divisors (see below), whose sum is σ = 26037312. Its totient is φ = 11158800.

The previous prime is 18133069. The next prime is 18133097. The reversal of 18133089 is 98033181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18133089 - 2¹² = 18128993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18133009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232437 + ... + 232514.

It is an arithmetic number, because the mean of its divisors is an integer number (3254664).

Almost surely, 2^18133089 is an apocalyptic number.

It is an amenable number.

18133089 is a deficient number, since it is larger than the sum of its proper divisors (7904223).

18133089 is a wasteful number, since it uses less digits than its factorization.

18133089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464967.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 18133089 is about 4258.2964903820. The cubic root of 18133089 is about 262.7184648449.

The spelling of 18133089 in words is "eighteen million, one hundred thirty-three thousand, eighty-nine".