131141568 has 56 divisors (see below), whose sum is σ = 347819472. Its totient is φ = 43608064.

The previous prime is 131141551. The next prime is 131141599. The reversal of 131141568 is 865141131.

It is a super-2 number, since 2×131141568² = 34396221714997248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152596 + ... + 153452.

It is an arithmetic number, because the mean of its divisors is an integer number (6211062).

Almost surely, 2^131141568 is an apocalyptic number.

It is an amenable number.

131141568 is an abundant number, since it is smaller than the sum of its proper divisors (216677904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131141568 is an equidigital number, since it uses as much as digits as its factorization.

131141568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1659 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 131141568 is about 11451.7058991226. The cubic root of 131141568 is about 508.0581907838.

Adding to 131141568 its reverse (865141131), we get a palindrome (996282699).

The spelling of 131141568 in words is "one hundred thirty-one million, one hundred forty-one thousand, five hundred sixty-eight".