131930379095566 has 4 divisors (see below), whose sum is σ = 197895568643352. Its totient is φ = 65965189547782.

The previous prime is 131930379095533. The next prime is 131930379095579. The reversal of 131930379095566 is 665590973039131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32982594773890 + ... + 32982594773893.

It is an arithmetic number, because the mean of its divisors is an integer number (49473892160838).

Almost surely, 2^{131930379095566} is an apocalyptic number.

131930379095566 is a deficient number, since it is larger than the sum of its proper divisors (65965189547786).

131930379095566 is an equidigital number, since it uses as much as digits as its factorization.

131930379095566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65965189547785.

The product of its (nonzero) digits is 124002900, while the sum is 67.

The spelling of 131930379095566 in words is "one hundred thirty-one trillion, nine hundred thirty billion, three hundred seventy-nine million, ninety-five thousand, five hundred sixty-six".