289131713 has 8 divisors (see below), whose sum is σ = 318967656. Its totient is φ = 260380800.

The previous prime is 289131709. The next prime is 289131737. The reversal of 289131713 is 317131982.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9840769 + 279290944 = 3137^2 + 16712^2 .

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 289131713 - 2² = 289131709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289131743) 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, 270698 + ... + 271763.

It is an arithmetic number, because the mean of its divisors is an integer number (39870957).

Almost surely, 2^289131713 is an apocalyptic number.

It is an amenable number.

289131713 is a deficient number, since it is larger than the sum of its proper divisors (29835943).

289131713 is a wasteful number, since it uses less digits than its factorization.

289131713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542515.

The product of its digits is 9072, while the sum is 35.

The square root of 289131713 is about 17003.8734704772. The cubic root of 289131713 is about 661.2493270815.

The spelling of 289131713 in words is "two hundred eighty-nine million, one hundred thirty-one thousand, seven hundred thirteen".