18135934 has 8 divisors (see below), whose sum is σ = 27226080. Its totient is φ = 9060576.

The previous prime is 18135917. The next prime is 18135941. The reversal of 18135934 is 43953181.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18135934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (3403260).

Almost surely, 2^18135934 is an apocalyptic number.

18135934 is a deficient number, since it is larger than the sum of its proper divisors (9090146).

18135934 is a wasteful number, since it uses less digits than its factorization.

18135934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394.

The product of its digits is 12960, while the sum is 34.

The square root of 18135934 is about 4258.6305310510. The cubic root of 18135934 is about 262.7322039077.

The spelling of 18135934 in words is "eighteen million, one hundred thirty-five thousand, nine hundred thirty-four".