18084134 has 4 divisors (see below), whose sum is σ = 27126204. Its totient is φ = 9042066.

The previous prime is 18084109. The next prime is 18084163. The reversal of 18084134 is 43148081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43148081 = 3833 ⋅11257.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18084097 and 18084106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4521032 + ... + 4521035.

It is an arithmetic number, because the mean of its divisors is an integer number (6781551).

Almost surely, 2^18084134 is an apocalyptic number.

18084134 is a deficient number, since it is larger than the sum of its proper divisors (9042070).

18084134 is an equidigital number, since it uses as much as digits as its factorization.

18084134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042069.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 18084134 is about 4252.5444148180. The cubic root of 18084134 is about 262.4818261038.

The spelling of 18084134 in words is "eighteen million, eighty-four thousand, one hundred thirty-four".