131454925447 has 2 divisors, whose sum is σ = 131454925448. Its totient is φ = 131454925446.

The previous prime is 131454925439. The next prime is 131454925457. The reversal of 131454925447 is 744529454131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131454925447 - 2³ = 131454925439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131454925447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131454925417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65727462723 + 65727462724.

It is an arithmetic number, because the mean of its divisors is an integer number (65727462724).

Almost surely, 2^131454925447 is an apocalyptic number.

131454925447 is a deficient number, since it is larger than the sum of its proper divisors (1).

131454925447 is an equidigital number, since it uses as much as digits as its factorization.

131454925447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The spelling of 131454925447 in words is "one hundred thirty-one billion, four hundred fifty-four million, nine hundred twenty-five thousand, four hundred forty-seven".