131065568 has 12 divisors (see below), whose sum is σ = 258035400. Its totient is φ = 65532768.

The previous prime is 131065547. The next prime is 131065603. The reversal of 131065568 is 865560131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047868 + ... + 2047931.

It is an arithmetic number, because the mean of its divisors is an integer number (21502950).

Almost surely, 2^131065568 is an apocalyptic number.

It is an amenable number.

131065568 is a deficient number, since it is larger than the sum of its proper divisors (126969832).

131065568 is an equidigital number, since it uses as much as digits as its factorization.

131065568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095809 (or 4095801 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 131065568 is about 11448.3871353130. The cubic root of 131065568 is about 507.9600274415.

The spelling of 131065568 in words is "one hundred thirty-one million, sixty-five thousand, five hundred sixty-eight".