131462243861779 has 2 divisors, whose sum is σ = 131462243861780. Its totient is φ = 131462243861778.

The previous prime is 131462243861719. The next prime is 131462243861801. The reversal of 131462243861779 is 977168342264131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131462243861779 - 2³³ = 131453653927187 is a prime.

It is a super-2 number, since 2×131462243861779² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131462243861779.

It is not a weakly prime, because it can be changed into another prime (131462243861719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65731121930889 + 65731121930890.

It is an arithmetic number, because the mean of its divisors is an integer number (65731121930890).

Almost surely, 2^{131462243861779} is an apocalyptic number.

131462243861779 is a deficient number, since it is larger than the sum of its proper divisors (1).

131462243861779 is an equidigital number, since it uses as much as digits as its factorization.

131462243861779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73156608, while the sum is 64.

The spelling of 131462243861779 in words is "one hundred thirty-one trillion, four hundred sixty-two billion, two hundred forty-three million, eight hundred sixty-one thousand, seven hundred seventy-nine".