131579547247 has 2 divisors, whose sum is σ = 131579547248. Its totient is φ = 131579547246.

The previous prime is 131579547227. The next prime is 131579547259. The reversal of 131579547247 is 742745975131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131579547247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131579547227) 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, 65789773623 + 65789773624.

It is an arithmetic number, because the mean of its divisors is an integer number (65789773624).

Almost surely, 2^131579547247 is an apocalyptic number.

131579547247 is a deficient number, since it is larger than the sum of its proper divisors (1).

131579547247 is an equidigital number, since it uses as much as digits as its factorization.

131579547247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7408800, while the sum is 55.

The spelling of 131579547247 in words is "one hundred thirty-one billion, five hundred seventy-nine million, five hundred forty-seven thousand, two hundred forty-seven".