18456134 has 8 divisors (see below), whose sum is σ = 27958608. Its totient is φ = 9136600.

The previous prime is 18456121. The next prime is 18456157. The reversal of 18456134 is 43165481.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18456134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45482 + ... + 45885.

It is an arithmetic number, because the mean of its divisors is an integer number (3494826).

Almost surely, 2^18456134 is an apocalyptic number.

18456134 is a deficient number, since it is larger than the sum of its proper divisors (9502474).

18456134 is a wasteful number, since it uses less digits than its factorization.

18456134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91470.

The product of its digits is 11520, while the sum is 32.

The square root of 18456134 is about 4296.0602882176. The cubic root of 18456134 is about 264.2694200118.

The spelling of 18456134 in words is "eighteen million, four hundred fifty-six thousand, one hundred thirty-four".