131689042379 has 2 divisors, whose sum is σ = 131689042380. Its totient is φ = 131689042378.

The previous prime is 131689042357. The next prime is 131689042391. The reversal of 131689042379 is 973240986131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131689042379 - 2³⁶ = 62969565643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131689042379.

It is not a weakly prime, because it can be changed into another prime (131689042319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65844521189 + 65844521190.

It is an arithmetic number, because the mean of its divisors is an integer number (65844521190).

Almost surely, 2^131689042379 is an apocalyptic number.

131689042379 is a deficient number, since it is larger than the sum of its proper divisors (1).

131689042379 is an equidigital number, since it uses as much as digits as its factorization.

131689042379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 131689042379 in words is "one hundred thirty-one billion, six hundred eighty-nine million, forty-two thousand, three hundred seventy-nine".