18134506 has 8 divisors (see below), whose sum is σ = 29294244. Its totient is φ = 8369760.

The previous prime is 18134503. The next prime is 18134513. The reversal of 18134506 is 60543181.

It can be written as a sum of positive squares in 2 ways, for example, as 17564481 + 570025 = 4191^2 + 755^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18134503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348715 + ... + 348766.

Almost surely, 2^18134506 is an apocalyptic number.

18134506 is a deficient number, since it is larger than the sum of its proper divisors (11159738).

18134506 is a wasteful number, since it uses less digits than its factorization.

18134506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697496.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 18134506 is about 4258.4628682190. The cubic root of 18134506 is about 262.7253079953.

Adding to 18134506 its reverse (60543181), we get a palindrome (78677687).

The spelling of 18134506 in words is "eighteen million, one hundred thirty-four thousand, five hundred six".