130065689 has 4 divisors (see below), whose sum is σ = 140070756. Its totient is φ = 120060624.

The previous prime is 130065673. The next prime is 130065703. The reversal of 130065689 is 986560031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986560031 = 17 ⋅58032943.

It can be written as a sum of positive squares in 2 ways, for example, as 89208025 + 40857664 = 9445^2 + 6392^2 .

It is a cyclic number.

It is not a de Polignac number, because 130065689 - 2⁴ = 130065673 is a prime.

It is a super-3 number, since 3×130065689³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130065889) 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, 5002514 + ... + 5002539.

It is an arithmetic number, because the mean of its divisors is an integer number (35017689).

Almost surely, 2^130065689 is an apocalyptic number.

It is an amenable number.

130065689 is a deficient number, since it is larger than the sum of its proper divisors (10005067).

130065689 is a wasteful number, since it uses less digits than its factorization.

130065689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005066.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 130065689 is about 11404.6345403963. The cubic root of 130065689 is about 506.6650124504.

The spelling of 130065689 in words is "one hundred thirty million, sixty-five thousand, six hundred eighty-nine".