131216759 has 2 divisors, whose sum is σ = 131216760. Its totient is φ = 131216758.

The previous prime is 131216741. The next prime is 131216783. The reversal of 131216759 is 957612131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131216759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131216719) by changing a digit.

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, 65608379 + 65608380.

It is an arithmetic number, because the mean of its divisors is an integer number (65608380).

Almost surely, 2^131216759 is an apocalyptic number.

131216759 is a deficient number, since it is larger than the sum of its proper divisors (1).

131216759 is an equidigital number, since it uses as much as digits as its factorization.

131216759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 35.

The square root of 131216759 is about 11454.9883893437. The cubic root of 131216759 is about 508.1552718881.

The spelling of 131216759 in words is "one hundred thirty-one million, two hundred sixteen thousand, seven hundred fifty-nine".