130615865 has 16 divisors (see below), whose sum is σ = 162763776. Its totient is φ = 100516800.

The previous prime is 130615853. The next prime is 130615871. The reversal of 130615865 is 568516031.

It is not a de Polignac number, because 130615865 - 2⁸ = 130615609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24380 + ... + 29250.

It is an arithmetic number, because the mean of its divisors is an integer number (10172736).

Almost surely, 2^130615865 is an apocalyptic number.

It is an amenable number.

130615865 is a deficient number, since it is larger than the sum of its proper divisors (32147911).

130615865 is a wasteful number, since it uses less digits than its factorization.

130615865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 130615865 is about 11428.7298069383. The cubic root of 130615865 is about 507.3784027635.

It can be divided in two parts, 1306 and 15865, that added together give a palindrome (17171).

The spelling of 130615865 in words is "one hundred thirty million, six hundred fifteen thousand, eight hundred sixty-five".