131784898976641 has 8 divisors (see below), whose sum is σ = 132199584497640. Its totient is φ = 131370541663872.

The previous prime is 131784898976617. The next prime is 131784898976669. The reversal of 131784898976641 is 146679898487131.

It can be written as a sum of positive squares in 4 ways, for example, as 69337949041 + 131715561027600 = 263321^2 + 11476740^2 .

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 131784898976641 - 2¹⁹ = 131784898452353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131784898971641) 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, 81247726 + ... + 82853863.

It is an arithmetic number, because the mean of its divisors is an integer number (16524948062205).

Almost surely, 2^{131784898976641} is an apocalyptic number.

It is an amenable number.

131784898976641 is a deficient number, since it is larger than the sum of its proper divisors (414685520999).

131784898976641 is a wasteful number, since it uses less digits than its factorization.

131784898976641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164104115.

The product of its digits is 3511517184, while the sum is 82.

The spelling of 131784898976641 in words is "one hundred thirty-one trillion, seven hundred eighty-four billion, eight hundred ninety-eight million, nine hundred seventy-six thousand, six hundred forty-one".