18147134 has 8 divisors (see below), whose sum is σ = 27667128. Its totient is φ = 8924760.

The previous prime is 18147119. The next prime is 18147137. The reversal of 18147134 is 43174181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18147097 and 18147106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18147137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74252 + ... + 74495.

It is an arithmetic number, because the mean of its divisors is an integer number (3458391).

Almost surely, 2^18147134 is an apocalyptic number.

18147134 is a deficient number, since it is larger than the sum of its proper divisors (9519994).

18147134 is a wasteful number, since it uses less digits than its factorization.

18147134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148810.

The product of its digits is 2688, while the sum is 29.

The square root of 18147134 is about 4259.9453048132. The cubic root of 18147134 is about 262.7862769457.

It can be divided in two parts, 18147 and 134, that added together give a palindrome (18281).

The spelling of 18147134 in words is "eighteen million, one hundred forty-seven thousand, one hundred thirty-four".