17131139 has 4 divisors (see below), whose sum is σ = 17282856. Its totient is φ = 16979424.

The previous prime is 17131133. The next prime is 17131187. The reversal of 17131139 is 93113171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17131139 - 2⁴ = 17131123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17131133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75689 + ... + 75914.

It is an arithmetic number, because the mean of its divisors is an integer number (4320714).

Almost surely, 2^17131139 is an apocalyptic number.

17131139 is a deficient number, since it is larger than the sum of its proper divisors (151717).

17131139 is a wasteful number, since it uses less digits than its factorization.

17131139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151716.

The product of its digits is 567, while the sum is 26.

The square root of 17131139 is about 4138.9780139547. The cubic root of 17131139 is about 257.7876334682.

The spelling of 17131139 in words is "seventeen million, one hundred thirty-one thousand, one hundred thirty-nine".