131759081 has 2 divisors, whose sum is σ = 131759082. Its totient is φ = 131759080.

The previous prime is 131759057. The next prime is 131759099. The reversal of 131759081 is 180957131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130873600 + 885481 = 11440^2 + 941^2 .

It is an emirp because it is prime and its reverse (180957131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131759081 is a prime.

It is a super-2 number, since 2×131759081² = 34720910851929122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131759011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65879540 + 65879541.

It is an arithmetic number, because the mean of its divisors is an integer number (65879541).

Almost surely, 2^131759081 is an apocalyptic number.

It is an amenable number.

131759081 is a deficient number, since it is larger than the sum of its proper divisors (1).

131759081 is an equidigital number, since it uses as much as digits as its factorization.

131759081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 131759081 is about 11478.6358510060. The cubic root of 131759081 is about 508.8543822508.

The spelling of 131759081 in words is "one hundred thirty-one million, seven hundred fifty-nine thousand, eighty-one".