131366636705 has 8 divisors (see below), whose sum is σ = 157646647872. Its totient is φ = 105088853488.

The previous prime is 131366636693. The next prime is 131366636741. The reversal of 131366636705 is 507636663131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131366636705 - 2⁸ = 131366636449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131366636705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424397 + ... + 665466.

It is an arithmetic number, because the mean of its divisors is an integer number (19705830984).

Almost surely, 2^131366636705 is an apocalyptic number.

It is an amenable number.

131366636705 is a deficient number, since it is larger than the sum of its proper divisors (26280011167).

131366636705 is a wasteful number, since it uses less digits than its factorization.

131366636705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113975.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The spelling of 131366636705 in words is "one hundred thirty-one billion, three hundred sixty-six million, six hundred thirty-six thousand, seven hundred five".