131366736417 has 8 divisors (see below), whose sum is σ = 200177884096. Its totient is φ = 75066706512.

The previous prime is 131366736409. The next prime is 131366736433. The reversal of 131366736417 is 714637663131.

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

It is not a de Polignac number, because 131366736417 - 2³ = 131366736409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131366736407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3127779418 + ... + 3127779459.

It is an arithmetic number, because the mean of its divisors is an integer number (25022235512).

Almost surely, 2^131366736417 is an apocalyptic number.

It is an amenable number.

131366736417 is a deficient number, since it is larger than the sum of its proper divisors (68811147679).

131366736417 is an equidigital number, since it uses as much as digits as its factorization.

131366736417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255558887.

The product of its digits is 1143072, while the sum is 48.

The spelling of 131366736417 in words is "one hundred thirty-one billion, three hundred sixty-six million, seven hundred thirty-six thousand, four hundred seventeen".