131639759 has 2 divisors, whose sum is σ = 131639760. Its totient is φ = 131639758.

The previous prime is 131639749. The next prime is 131639777. The reversal of 131639759 is 957936131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131639759 - 2⁸ = 131639503 is a prime.

It is a super-2 number, since 2×131639759² = 34658052299156162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131639749) 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, 65819879 + 65819880.

It is an arithmetic number, because the mean of its divisors is an integer number (65819880).

Almost surely, 2^131639759 is an apocalyptic number.

131639759 is a deficient number, since it is larger than the sum of its proper divisors (1).

131639759 is an equidigital number, since it uses as much as digits as its factorization.

131639759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 44.

The square root of 131639759 is about 11473.4371048958. The cubic root of 131639759 is about 508.7007284252.

It can be divided in two parts, 13163 and 9759, that added together give a palindrome (22922).

The spelling of 131639759 in words is "one hundred thirty-one million, six hundred thirty-nine thousand, seven hundred fifty-nine".