17118139 has 4 divisors (see below), whose sum is σ = 17126424. Its totient is φ = 17109856.

The previous prime is 17118137. The next prime is 17118173. The reversal of 17118139 is 93181171.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 17118139 - 2¹ = 17118137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17118139.

It is not an unprimeable number, because it can be changed into a prime (17118137) 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, 1779 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (4281606).

Almost surely, 2^17118139 is an apocalyptic number.

17118139 is a deficient number, since it is larger than the sum of its proper divisors (8285).

17118139 is an equidigital number, since it uses as much as digits as its factorization.

17118139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284.

The product of its digits is 1512, while the sum is 31.

The square root of 17118139 is about 4137.4072799279. The cubic root of 17118139 is about 257.7224094086.

The spelling of 17118139 in words is "seventeen million, one hundred eighteen thousand, one hundred thirty-nine".