18144134 has 16 divisors (see below), whose sum is σ = 29598048. Its totient is φ = 8307072.

The previous prime is 18144131. The next prime is 18144149. The reversal of 18144134 is 43144181.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18144131) 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, 5954 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (1849878).

Almost surely, 2^18144134 is an apocalyptic number.

18144134 is a deficient number, since it is larger than the sum of its proper divisors (11453914).

18144134 is a wasteful number, since it uses less digits than its factorization.

18144134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14479.

The product of its digits is 1536, while the sum is 26.

The square root of 18144134 is about 4259.5931730624. The cubic root of 18144134 is about 262.7717952783.

The spelling of 18144134 in words is "eighteen million, one hundred forty-four thousand, one hundred thirty-four".