130558565 has 8 divisors (see below), whose sum is σ = 158108280. Its totient is φ = 103488192.

The previous prime is 130558553. The next prime is 130558567. The reversal of 130558565 is 565855031.

It can be written as a sum of positive squares in 4 ways, for example, as 11464996 + 119093569 = 3386^2 + 10913^2 .

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 130558565 - 2¹⁶ = 130493029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130558567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119234 + ... + 120323.

It is an arithmetic number, because the mean of its divisors is an integer number (19763535).

Almost surely, 2^130558565 is an apocalyptic number.

It is an amenable number.

130558565 is a deficient number, since it is larger than the sum of its proper divisors (27549715).

130558565 is a wasteful number, since it uses less digits than its factorization.

130558565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239671.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 130558565 is about 11426.2226916860. Note that the first 3 decimals coincide. The cubic root of 130558565 is about 507.3041978042.

The spelling of 130558565 in words is "one hundred thirty million, five hundred fifty-eight thousand, five hundred sixty-five".