131798361647 has 8 divisors (see below), whose sum is σ = 132248930880. Its totient is φ = 131348419200.

The previous prime is 131798361637. The next prime is 131798361661. The reversal of 131798361647 is 746163897131.

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 131798361647 - 2²⁸ = 131529926191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131798361592 and 131798361601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131798361637) 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, 266522 + ... + 578472.

It is an arithmetic number, because the mean of its divisors is an integer number (16531116360).

Almost surely, 2^131798361647 is an apocalyptic number.

131798361647 is a deficient number, since it is larger than the sum of its proper divisors (450569233).

131798361647 is a wasteful number, since it uses less digits than its factorization.

131798361647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313393.

The product of its digits is 4572288, while the sum is 56.

The spelling of 131798361647 in words is "one hundred thirty-one billion, seven hundred ninety-eight million, three hundred sixty-one thousand, six hundred forty-seven".