131744037756769 has 2 divisors, whose sum is σ = 131744037756770. Its totient is φ = 131744037756768.

The previous prime is 131744037756673. The next prime is 131744037756839. The reversal of 131744037756769 is 967657730447131.

It is an a-pointer prime, because the next prime (131744037756839) can be obtained adding 131744037756769 to its sum of digits (70).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122025979692369 + 9718058064400 = 11046537^2 + 3117380^2 .

It is a cyclic number.

It is not a de Polignac number, because 131744037756769 - 2¹⁹ = 131744037232481 is a prime.

It is a super-2 number, since 2×131744037756769² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131744037756698 and 131744037756707.

It is not a weakly prime, because it can be changed into another prime (131744037751769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65872018878384 + 65872018878385.

It is an arithmetic number, because the mean of its divisors is an integer number (65872018878385).

Almost surely, 2^{131744037756769} is an apocalyptic number.

It is an amenable number.

131744037756769 is a deficient number, since it is larger than the sum of its proper divisors (1).

131744037756769 is an equidigital number, since it uses as much as digits as its factorization.

131744037756769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560105280, while the sum is 70.

The spelling of 131744037756769 in words is "one hundred thirty-one trillion, seven hundred forty-four billion, thirty-seven million, seven hundred fifty-six thousand, seven hundred sixty-nine".