131399892229 has 2 divisors, whose sum is σ = 131399892230. Its totient is φ = 131399892228.

The previous prime is 131399892199. The next prime is 131399892263. The reversal of 131399892229 is 922298993131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89581687204 + 41818205025 = 299302^2 + 204495^2 .

It is an emirp because it is prime and its reverse (922298993131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131399892229 - 2¹³ = 131399884037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131399892529) 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, 65699946114 + 65699946115.

It is an arithmetic number, because the mean of its divisors is an integer number (65699946115).

Almost surely, 2^131399892229 is an apocalyptic number.

It is an amenable number.

131399892229 is a deficient number, since it is larger than the sum of its proper divisors (1).

131399892229 is an equidigital number, since it uses as much as digits as its factorization.

131399892229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 58.

The spelling of 131399892229 in words is "one hundred thirty-one billion, three hundred ninety-nine million, eight hundred ninety-two thousand, two hundred twenty-nine".