18085134 has 8 divisors (see below), whose sum is σ = 36170280. Its totient is φ = 6028376.

The previous prime is 18085117. The next prime is 18085147. The reversal of 18085134 is 43158081.

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

18085134 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1507089 + ... + 1507100.

It is an arithmetic number, because the mean of its divisors is an integer number (4521285).

Almost surely, 2^18085134 is an apocalyptic number.

18085134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18085134 is a wasteful number, since it uses less digits than its factorization.

18085134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014194.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 18085134 is about 4252.6619898600. The cubic root of 18085134 is about 262.4866641751.

The spelling of 18085134 in words is "eighteen million, eighty-five thousand, one hundred thirty-four".