131373126389 has 2 divisors, whose sum is σ = 131373126390. Its totient is φ = 131373126388.

The previous prime is 131373126317. The next prime is 131373126421. The reversal of 131373126389 is 983621373131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130794339025 + 578787364 = 361655^2 + 24058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131373126389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131373126889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65686563194 + 65686563195.

It is an arithmetic number, because the mean of its divisors is an integer number (65686563195).

Almost surely, 2^131373126389 is an apocalyptic number.

It is an amenable number.

131373126389 is a deficient number, since it is larger than the sum of its proper divisors (1).

131373126389 is an equidigital number, since it uses as much as digits as its factorization.

131373126389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The spelling of 131373126389 in words is "one hundred thirty-one billion, three hundred seventy-three million, one hundred twenty-six thousand, three hundred eighty-nine".