131440413197 has 2 divisors, whose sum is σ = 131440413198. Its totient is φ = 131440413196.

The previous prime is 131440413191. The next prime is 131440413227. The reversal of 131440413197 is 791314044131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122882498116 + 8557915081 = 350546^2 + 92509^2 .

It is a cyclic number.

It is not a de Polignac number, because 131440413197 - 2³⁰ = 130366671373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131440413197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131440413191) 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, 65720206598 + 65720206599.

It is an arithmetic number, because the mean of its divisors is an integer number (65720206599).

Almost surely, 2^131440413197 is an apocalyptic number.

It is an amenable number.

131440413197 is a deficient number, since it is larger than the sum of its proper divisors (1).

131440413197 is an equidigital number, since it uses as much as digits as its factorization.

131440413197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 131440413197 in words is "one hundred thirty-one billion, four hundred forty million, four hundred thirteen thousand, one hundred ninety-seven".