130397569 has 4 divisors (see below), whose sum is σ = 130426180. Its totient is φ = 130368960.

The previous prime is 130397567. The next prime is 130397573. The reversal of 130397569 is 965793031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98903025 + 31494544 = 9945^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 130397569 - 2¹ = 130397567 is a prime.

It is a super-2 number, since 2×130397569² = 34007052002219522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130397567) 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, 5772 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (32606545).

Almost surely, 2^130397569 is an apocalyptic number.

It is an amenable number.

130397569 is a deficient number, since it is larger than the sum of its proper divisors (28611).

130397569 is an equidigital number, since it uses as much as digits as its factorization.

130397569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28610.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 130397569 is about 11419.1754956301. The cubic root of 130397569 is about 507.0955876140.

The spelling of 130397569 in words is "one hundred thirty million, three hundred ninety-seven thousand, five hundred sixty-nine".