131396617 has 8 divisors (see below), whose sum is σ = 143851680. Its totient is φ = 119026560.

The previous prime is 131396611. The next prime is 131396633. The reversal of 131396617 is 716693131.

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 131396617 - 2¹¹ = 131394569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131396611) 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, 17992 + ... + 24217.

It is an arithmetic number, because the mean of its divisors is an integer number (17981460).

Almost surely, 2^131396617 is an apocalyptic number.

It is an amenable number.

131396617 is a deficient number, since it is larger than the sum of its proper divisors (12455063).

131396617 is a wasteful number, since it uses less digits than its factorization.

131396617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42503.

The product of its digits is 20412, while the sum is 37.

The square root of 131396617 is about 11462.8363418484. The cubic root of 131396617 is about 508.3873409846.

The spelling of 131396617 in words is "one hundred thirty-one million, three hundred ninety-six thousand, six hundred seventeen".