131681683 has 8 divisors (see below), whose sum is σ = 151251200. Its totient is φ = 112301640.

The previous prime is 131681681. The next prime is 131681713. The reversal of 131681683 is 386186131.

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 131681683 - 2¹ = 131681681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131681681) 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, 45873 + ... + 48658.

It is an arithmetic number, because the mean of its divisors is an integer number (18906400).

Almost surely, 2^131681683 is an apocalyptic number.

131681683 is a deficient number, since it is larger than the sum of its proper divisors (19569517).

131681683 is an equidigital number, since it uses as much as digits as its factorization.

131681683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94737.

The product of its digits is 20736, while the sum is 37.

The square root of 131681683 is about 11475.2639621056. The cubic root of 131681683 is about 508.7547255506.

The spelling of 131681683 in words is "one hundred thirty-one million, six hundred eighty-one thousand, six hundred eighty-three".