18634134 has 8 divisors (see below), whose sum is σ = 37268280. Its totient is φ = 6211376.

The previous prime is 18634129. The next prime is 18634139. The reversal of 18634134 is 43143681.

It is an interprime number because it is at equal distance from previous prime (18634129) and next prime (18634139).

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

18634134 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18634139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552839 + ... + 1552850.

It is an arithmetic number, because the mean of its divisors is an integer number (4658535).

Almost surely, 2^18634134 is an apocalyptic number.

18634134 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.

18634134 is a wasteful number, since it uses less digits than its factorization.

18634134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105694.

The product of its digits is 6912, while the sum is 30.

The square root of 18634134 is about 4316.7272325223. The cubic root of 18634134 is about 265.1162845537.

The spelling of 18634134 in words is "eighteen million, six hundred thirty-four thousand, one hundred thirty-four".