18059131 has 8 divisors (see below), whose sum is σ = 18280080. Its totient is φ = 17839872.

The previous prime is 18059099. The next prime is 18059137. The reversal of 18059131 is 13195081.

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

It is a cyclic number.

It is not a de Polignac number, because 18059131 - 2⁵ = 18059099 is a prime.

It is a super-2 number, since 2×18059131² = 652264424950322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18059131.

It is not an unprimeable number, because it can be changed into a prime (18059137) 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, 41491 + ... + 41923.

It is an arithmetic number, because the mean of its divisors is an integer number (2285010).

Almost surely, 2^18059131 is an apocalyptic number.

18059131 is a deficient number, since it is larger than the sum of its proper divisors (220949).

18059131 is a wasteful number, since it uses less digits than its factorization.

18059131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 18059131 is about 4249.6036285753. The cubic root of 18059131 is about 262.3608017850.

The spelling of 18059131 in words is "eighteen million, fifty-nine thousand, one hundred thirty-one".