18134158 has 8 divisors (see below), whose sum is σ = 31087152. Its totient is φ = 7771776.

The previous prime is 18134147. The next prime is 18134161. The reversal of 18134158 is 85143181.

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

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 3 ways as a sum of consecutive naturals, for example, 647635 + ... + 647662.

It is an arithmetic number, because the mean of its divisors is an integer number (3885894).

Almost surely, 2^18134158 is an apocalyptic number.

18134158 is a deficient number, since it is larger than the sum of its proper divisors (12952994).

18134158 is a wasteful number, since it uses less digits than its factorization.

18134158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295306.

The product of its digits is 3840, while the sum is 31.

The square root of 18134158 is about 4258.4220082091. The cubic root of 18134158 is about 262.7236274240.

The spelling of 18134158 in words is "eighteen million, one hundred thirty-four thousand, one hundred fifty-eight".