18975134 has 8 divisors (see below), whose sum is σ = 28488240. Its totient is φ = 9479056.

The previous prime is 18975133. The next prime is 18975163. The reversal of 18975134 is 43157981.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18975133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959 + ... + 6234.

It is an arithmetic number, because the mean of its divisors is an integer number (3561030).

Almost surely, 2^18975134 is an apocalyptic number.

18975134 is a deficient number, since it is larger than the sum of its proper divisors (9513106).

18975134 is a wasteful number, since it uses less digits than its factorization.

18975134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514.

The product of its digits is 30240, while the sum is 38.

The square root of 18975134 is about 4356.0456838743. The cubic root of 18975134 is about 266.7237062013.

The spelling of 18975134 in words is "eighteen million, nine hundred seventy-five thousand, one hundred thirty-four".