18549134 has 8 divisors (see below), whose sum is σ = 27852120. Its totient is φ = 9265096.

The previous prime is 18549107. The next prime is 18549143. The reversal of 18549134 is 43194581.

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

It is a junction number, because it is equal to n+sod(n) for n = 18549094 and 18549103.

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, 1964 + ... + 6399.

It is an arithmetic number, because the mean of its divisors is an integer number (3481515).

Almost surely, 2^18549134 is an apocalyptic number.

18549134 is a deficient number, since it is larger than the sum of its proper divisors (9302986).

18549134 is a wasteful number, since it uses less digits than its factorization.

18549134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474.

The product of its digits is 17280, while the sum is 35.

The square root of 18549134 is about 4306.8705576091. The cubic root of 18549134 is about 264.7125588652.

The spelling of 18549134 in words is "eighteen million, five hundred forty-nine thousand, one hundred thirty-four".