18654134 has 16 divisors (see below), whose sum is σ = 30650400. Its totient is φ = 8475264.

The previous prime is 18654121. The next prime is 18654137. The reversal of 18654134 is 43145681.

It is a self number, because there is not a number n which added to its sum of digits gives 18654134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18654137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8474 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (1915650).

Almost surely, 2^18654134 is an apocalyptic number.

18654134 is a deficient number, since it is larger than the sum of its proper divisors (11996266).

18654134 is a wasteful number, since it uses less digits than its factorization.

18654134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18967.

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

The square root of 18654134 is about 4319.0431810761. The cubic root of 18654134 is about 265.2111003334.

The spelling of 18654134 in words is "eighteen million, six hundred fifty-four thousand, one hundred thirty-four".