18682135 has 8 divisors (see below), whose sum is σ = 22481856. Its totient is φ = 14903520.

The previous prime is 18682127. The next prime is 18682163. The reversal of 18682135 is 53128681.

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

It is not a de Polignac number, because 18682135 - 2³ = 18682127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18682135.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3256 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (2810232).

Almost surely, 2^18682135 is an apocalyptic number.

18682135 is a deficient number, since it is larger than the sum of its proper divisors (3799721).

18682135 is a wasteful number, since it uses less digits than its factorization.

18682135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553.

The product of its digits is 11520, while the sum is 34.

The square root of 18682135 is about 4322.2835399821. The cubic root of 18682135 is about 265.3437333715.

The spelling of 18682135 in words is "eighteen million, six hundred eighty-two thousand, one hundred thirty-five".