130085 has 4 divisors (see below), whose sum is σ = 156108. Its totient is φ = 104064.

The previous prime is 130079. The next prime is 130087. The reversal of 130085 is 580031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73441 + 56644 = 271^2 + 238^2 .

It is a cyclic number.

It is not a de Polignac number, because 130085 - 2⁴ = 130069 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13004 + ... + 13013.

It is an arithmetic number, because the mean of its divisors is an integer number (39027).

2¹³⁰⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

130085 is a deficient number, since it is larger than the sum of its proper divisors (26023).

130085 is an equidigital number, since it uses as much as digits as its factorization.

130085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26022.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 130085 is about 360.6729820766. The cubic root of 130085 is about 50.6690086252.

The spelling of 130085 in words is "one hundred thirty thousand, eighty-five".