18474134 has 16 divisors (see below), whose sum is σ = 31739136. Its totient is φ = 7900200.

The previous prime is 18474119. The next prime is 18474143. The reversal of 18474134 is 43147481.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18474134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (1983696).

Almost surely, 2^18474134 is an apocalyptic number.

18474134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18474134 is a deficient number, since it is larger than the sum of its proper divisors (13265002).

18474134 is a wasteful number, since it uses less digits than its factorization.

18474134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its digits is 10752, while the sum is 32.

The square root of 18474134 is about 4298.1547203422. The cubic root of 18474134 is about 264.3553048088.

The spelling of 18474134 in words is "eighteen million, four hundred seventy-four thousand, one hundred thirty-four".