130985 has 16 divisors (see below), whose sum is σ = 176256. Its totient is φ = 92928.

The previous prime is 130981. The next prime is 130987. The reversal of 130985 is 589031.

It is a cyclic number.

It is not a de Polignac number, because 130985 - 2² = 130981 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130985.

It is not an unprimeable number, because it can be changed into a prime (130981) 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 15 ways as a sum of consecutive naturals, for example, 1922 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (11016).

2¹³⁰⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

130985 is a deficient number, since it is larger than the sum of its proper divisors (45271).

130985 is a wasteful number, since it uses less digits than its factorization.

130985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 130985 is about 361.9184991127. The cubic root of 130985 is about 50.7855922520.

The spelling of 130985 in words is "one hundred thirty thousand, nine hundred eighty-five".