17042139 has 12 divisors (see below), whose sum is σ = 24769576. Its totient is φ = 11290752.

The previous prime is 17042083. The next prime is 17042167. The reversal of 17042139 is 93124071.

It is not a de Polignac number, because 17042139 - 2¹⁵ = 17009371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17042189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4342 + ... + 7275.

Almost surely, 2^17042139 is an apocalyptic number.

17042139 is a deficient number, since it is larger than the sum of its proper divisors (7727437).

17042139 is a wasteful number, since it uses less digits than its factorization.

17042139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11786 (or 11783 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 17042139 is about 4128.2125672015. The cubic root of 17042139 is about 257.3404371684.

The spelling of 17042139 in words is "seventeen million, forty-two thousand, one hundred thirty-nine".