130115565 has 64 divisors (see below), whose sum is σ = 238836480. Its totient is φ = 68024448.

The previous prime is 130115561. The next prime is 130115621. The reversal of 130115565 is 565511031.

It is not a de Polignac number, because 130115565 - 2² = 130115561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130115561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 798174 + ... + 798336.

It is an arithmetic number, because the mean of its divisors is an integer number (3731820).

Almost surely, 2^130115565 is an apocalyptic number.

130115565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130115565 is a deficient number, since it is larger than the sum of its proper divisors (108720915).

130115565 is an frugal number, since it uses more digits than its factorization.

130115565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 130115565 is about 11406.8209857085. The cubic root of 130115565 is about 506.7297674084.

Adding to 130115565 its reverse (565511031), we get a palindrome (695626596).

The spelling of 130115565 in words is "one hundred thirty million, one hundred fifteen thousand, five hundred sixty-five".