131783140865941 has 2 divisors, whose sum is σ = 131783140865942. Its totient is φ = 131783140865940.

The previous prime is 131783140865939. The next prime is 131783140865969. The reversal of 131783140865941 is 149568041387131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99219329592100 + 32563811273841 = 9960890^2 + 5706471^2 .

It is an emirp because it is prime and its reverse (149568041387131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131783140865941 - 2¹ = 131783140865939 is a prime.

Together with 131783140865939, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131783140865941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131783140565941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65891570432970 + 65891570432971.

It is an arithmetic number, because the mean of its divisors is an integer number (65891570432971).

Almost surely, 2^{131783140865941} is an apocalyptic number.

It is an amenable number.

131783140865941 is a deficient number, since it is larger than the sum of its proper divisors (1).

131783140865941 is an equidigital number, since it uses as much as digits as its factorization.

131783140865941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 131783140865941 in words is "one hundred thirty-one trillion, seven hundred eighty-three billion, one hundred forty million, eight hundred sixty-five thousand, nine hundred forty-one".