18134456 has 16 divisors (see below), whose sum is σ = 34055640. Its totient is φ = 9052960.

The previous prime is 18134443. The next prime is 18134471. The reversal of 18134456 is 65443181.

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, 5246 + ... + 7986.

Almost surely, 2^18134456 is an apocalyptic number.

It is an amenable number.

18134456 is a deficient number, since it is larger than the sum of its proper divisors (15921184).

18134456 is a wasteful number, since it uses less digits than its factorization.

18134456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3570 counting only the distinct ones).

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

The square root of 18134456 is about 4258.4569975520. The cubic root of 18134456 is about 262.7250665352.

The spelling of 18134456 in words is "eighteen million, one hundred thirty-four thousand, four hundred fifty-six".