131910568 has 16 divisors (see below), whose sum is σ = 247612500. Its totient is φ = 65880576.

The previous prime is 131910557. The next prime is 131910577. The reversal of 131910568 is 865019131.

131910568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 90668484 + 41242084 = 9522^2 + 6422^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443 + ... + 16306.

Almost surely, 2^131910568 is an apocalyptic number.

It is an amenable number.

131910568 is a deficient number, since it is larger than the sum of its proper divisors (115701932).

131910568 is a wasteful number, since it uses less digits than its factorization.

131910568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18684 (or 18680 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 131910568 is about 11485.2326053938. The cubic root of 131910568 is about 509.0493221363.

Adding to 131910568 its reverse (865019131), we get a palindrome (996929699).

The spelling of 131910568 in words is "one hundred thirty-one million, nine hundred ten thousand, five hundred sixty-eight".