18348134 has 16 divisors (see below), whose sum is σ = 33304608. Its totient is φ = 7400832.

The previous prime is 18348133. The next prime is 18348157. The reversal of 18348134 is 43184381.

It is a self number, because there is not a number n which added to its sum of digits gives 18348134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348133) 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, 38309 + ... + 38784.

It is an arithmetic number, because the mean of its divisors is an integer number (2081538).

Almost surely, 2^18348134 is an apocalyptic number.

18348134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18348134 is a deficient number, since it is larger than the sum of its proper divisors (14956474).

18348134 is a wasteful number, since it uses less digits than its factorization.

18348134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77119.

The product of its digits is 9216, while the sum is 32.

The square root of 18348134 is about 4283.4721897078. The cubic root of 18348134 is about 263.7529349868.

The spelling of 18348134 in words is "eighteen million, three hundred forty-eight thousand, one hundred thirty-four".