130716681 has 4 divisors (see below), whose sum is σ = 174288912. Its totient is φ = 87144452.

The previous prime is 130716679. The next prime is 130716701. The reversal of 130716681 is 186617031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130716681 - 2¹ = 130716679 is a prime.

It is a super-2 number, since 2×130716681² = 34173701383311522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130716611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21786111 + ... + 21786116.

It is an arithmetic number, because the mean of its divisors is an integer number (43572228).

Almost surely, 2^130716681 is an apocalyptic number.

It is an amenable number.

130716681 is a deficient number, since it is larger than the sum of its proper divisors (43572231).

130716681 is an equidigital number, since it uses as much as digits as its factorization.

130716681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43572230.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 130716681 is about 11433.1395950544. The cubic root of 130716681 is about 507.5089093860.

The spelling of 130716681 in words is "one hundred thirty million, seven hundred sixteen thousand, six hundred eighty-one".