131340057439 has 2 divisors, whose sum is σ = 131340057440. Its totient is φ = 131340057438.

The previous prime is 131340057421. The next prime is 131340057449. The reversal of 131340057439 is 934750043131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131340057439 - 2⁷ = 131340057311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131340057449) 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, 65670028719 + 65670028720.

It is an arithmetic number, because the mean of its divisors is an integer number (65670028720).

Almost surely, 2^131340057439 is an apocalyptic number.

131340057439 is a deficient number, since it is larger than the sum of its proper divisors (1).

131340057439 is an equidigital number, since it uses as much as digits as its factorization.

131340057439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 131340057439 in words is "one hundred thirty-one billion, three hundred forty million, fifty-seven thousand, four hundred thirty-nine".