131921146339 has 2 divisors, whose sum is σ = 131921146340. Its totient is φ = 131921146338.

The previous prime is 131921146309. The next prime is 131921146397. The reversal of 131921146339 is 933641129131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131921146339 - 2⁵ = 131921146307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131921146295 and 131921146304.

It is not a weakly prime, because it can be changed into another prime (131921146309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65960573169 + 65960573170.

It is an arithmetic number, because the mean of its divisors is an integer number (65960573170).

Almost surely, 2^131921146339 is an apocalyptic number.

131921146339 is a deficient number, since it is larger than the sum of its proper divisors (1).

131921146339 is an equidigital number, since it uses as much as digits as its factorization.

131921146339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The spelling of 131921146339 in words is "one hundred thirty-one billion, nine hundred twenty-one million, one hundred forty-six thousand, three hundred thirty-nine".