17139842 has 16 divisors (see below), whose sum is σ = 27322272. Its totient is φ = 8036160.

The previous prime is 17139839. The next prime is 17139851. The reversal of 17139842 is 24893171.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10493 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (1707642).

Almost surely, 2^17139842 is an apocalyptic number.

17139842 is a deficient number, since it is larger than the sum of its proper divisors (10182430).

17139842 is a wasteful number, since it uses less digits than its factorization.

17139842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873.

The product of its digits is 12096, while the sum is 35.

The square root of 17139842 is about 4140.0292269500. The cubic root of 17139842 is about 257.8312800302.

The spelling of 17139842 in words is "seventeen million, one hundred thirty-nine thousand, eight hundred forty-two".