130865 has 8 divisors (see below), whose sum is σ = 179520. Its totient is φ = 89712.

The previous prime is 130859. The next prime is 130873. The reversal of 130865 is 568031.

Added to its reverse (568031) it gives a square (698896 = 836²).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130865 - 2¹⁰ = 129841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (22440).

2¹³⁰⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

130865 is a deficient number, since it is larger than the sum of its proper divisors (48655).

130865 is an equidigital number, since it uses as much as digits as its factorization.

130865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 130865 is about 361.7526779445. The cubic root of 130865 is about 50.7700786866.

Adding to 130865 its reverse (568031), we get a palindrome (698896).

The spelling of 130865 in words is "one hundred thirty thousand, eight hundred sixty-five".