131274537647 has 8 divisors (see below), whose sum is σ = 143229427200. Its totient is φ = 119323121560.

The previous prime is 131274537623. The next prime is 131274537673. The reversal of 131274537647 is 746735472131.

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 131274537647 - 2⁸ = 131274537391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131274537595 and 131274537604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131274437647) 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, 789023 + ... + 940800.

It is an arithmetic number, because the mean of its divisors is an integer number (17903678400).

Almost surely, 2^131274537647 is an apocalyptic number.

131274537647 is a deficient number, since it is larger than the sum of its proper divisors (11954889553).

131274537647 is a wasteful number, since it uses less digits than its factorization.

131274537647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736733.

The product of its digits is 2963520, while the sum is 50.

The spelling of 131274537647 in words is "one hundred thirty-one billion, two hundred seventy-four million, five hundred thirty-seven thousand, six hundred forty-seven".