17139 has 8 divisors (see below), whose sum is σ = 23760. Its totient is φ = 10976.

The previous prime is 17137. The next prime is 17159. The reversal of 17139 is 93171.

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 17139 - 2¹ = 17137 is a prime.

17139 is an undulating number in base 14.

It is not an unprimeable number, because it can be changed into a prime (17137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12 + ... + 185.

It is an arithmetic number, because the mean of its divisors is an integer number (2970).

2¹⁷¹³⁹ is an apocalyptic number.

17139 is a deficient number, since it is larger than the sum of its proper divisors (6621).

17139 is a wasteful number, since it uses less digits than its factorization.

17139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 189, while the sum is 21.

The square root of 17139 is about 130.9160036054. The cubic root of 17139 is about 25.7827057947.

It can be divided in two parts, 171 and 39, that added together give a triangular number (210 = T₂₀).

The spelling of 17139 in words is "seventeen thousand, one hundred thirty-nine".