18134204 has 24 divisors (see below), whose sum is σ = 34745088. Its totient is φ = 8213040.

The previous prime is 18134201. The next prime is 18134243. The reversal of 18134204 is 40243181.

It is a self number, because there is not a number n which added to its sum of digits gives 18134204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18134201) 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, 15587 + ... + 16709.

It is an arithmetic number, because the mean of its divisors is an integer number (1447712).

Almost surely, 2^18134204 is an apocalyptic number.

It is an amenable number.

18134204 is a deficient number, since it is larger than the sum of its proper divisors (16610884).

18134204 is a wasteful number, since it uses less digits than its factorization.

18134204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 18134204 is about 4258.4274092674. The cubic root of 18134204 is about 262.7238495697.

Adding to 18134204 its reverse (40243181), we get a palindrome (58377385).

The spelling of 18134204 in words is "eighteen million, one hundred thirty-four thousand, two hundred four".