131227839255847 has 2 divisors, whose sum is σ = 131227839255848. Its totient is φ = 131227839255846.

The previous prime is 131227839255841. The next prime is 131227839255857. The reversal of 131227839255847 is 748552938722131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131227839255847 - 2¹¹ = 131227839253799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131227839255841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65613919627923 + 65613919627924.

It is an arithmetic number, because the mean of its divisors is an integer number (65613919627924).

Almost surely, 2^{131227839255847} is an apocalyptic number.

131227839255847 is a deficient number, since it is larger than the sum of its proper divisors (1).

131227839255847 is an equidigital number, since it uses as much as digits as its factorization.

131227839255847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 203212800, while the sum is 67.

The spelling of 131227839255847 in words is "one hundred thirty-one trillion, two hundred twenty-seven billion, eight hundred thirty-nine million, two hundred fifty-five thousand, eight hundred forty-seven".