130530 has 32 divisors (see below), whose sum is σ = 331200. Its totient is φ = 32832.

The previous prime is 130523. The next prime is 130531. The reversal of 130530 is 35031.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130531) by changing a digit.

130530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456 + ... + 684.

It is an arithmetic number, because the mean of its divisors is an integer number (10350).

2¹³⁰⁵³⁰ is an apocalyptic number.

130530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165600).

130530 is an abundant number, since it is smaller than the sum of its proper divisors (200670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130530 is a wasteful number, since it uses less digits than its factorization.

130530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 130530 is about 361.2893577176. The cubic root of 130530 is about 50.7267197292.

Adding to 130530 its reverse (35031), we get a palindrome (165561).

The spelling of 130530 in words is "one hundred thirty thousand, five hundred thirty".