131610461539 has 2 divisors, whose sum is σ = 131610461540. Its totient is φ = 131610461538.

The previous prime is 131610461527. The next prime is 131610461579. The reversal of 131610461539 is 935164016131.

It is an a-pointer prime, because the next prime (131610461579) can be obtained adding 131610461539 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131610461539 is a prime.

It is not a weakly prime, because it can be changed into another prime (131610461509) 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, 65805230769 + 65805230770.

It is an arithmetic number, because the mean of its divisors is an integer number (65805230770).

Almost surely, 2^131610461539 is an apocalyptic number.

131610461539 is a deficient number, since it is larger than the sum of its proper divisors (1).

131610461539 is an equidigital number, since it uses as much as digits as its factorization.

131610461539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 131610461539 in words is "one hundred thirty-one billion, six hundred ten million, four hundred sixty-one thousand, five hundred thirty-nine".