18114905 has 8 divisors (see below), whose sum is σ = 21789000. Its totient is φ = 14457856.

The previous prime is 18114893. The next prime is 18114913. The reversal of 18114905 is 50941181.

It can be written as a sum of positive squares in 4 ways, for example, as 1369 + 18113536 = 37^2 + 4256^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18114905 - 2⁶ = 18114841 is a prime.

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, 1790 + ... + 6279.

It is an arithmetic number, because the mean of its divisors is an integer number (2723625).

Almost surely, 2^18114905 is an apocalyptic number.

It is an amenable number.

18114905 is a deficient number, since it is larger than the sum of its proper divisors (3674095).

18114905 is an equidigital number, since it uses as much as digits as its factorization.

18114905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 18114905 is about 4256.1608287282. The cubic root of 18114905 is about 262.6306167797.

The spelling of 18114905 in words is "eighteen million, one hundred fourteen thousand, nine hundred five".