131466321859 has 2 divisors, whose sum is σ = 131466321860. Its totient is φ = 131466321858.

The previous prime is 131466321823. The next prime is 131466321869. The reversal of 131466321859 is 958123664131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131466321859 is a prime.

It is not a weakly prime, because it can be changed into another prime (131466321869) 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, 65733160929 + 65733160930.

It is an arithmetic number, because the mean of its divisors is an integer number (65733160930).

Almost surely, 2^131466321859 is an apocalyptic number.

131466321859 is a deficient number, since it is larger than the sum of its proper divisors (1).

131466321859 is an equidigital number, since it uses as much as digits as its factorization.

131466321859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The spelling of 131466321859 in words is "one hundred thirty-one billion, four hundred sixty-six million, three hundred twenty-one thousand, eight hundred fifty-nine".