130520 has 32 divisors (see below), whose sum is σ = 317520. Its totient is φ = 48000.

The previous prime is 130517. The next prime is 130523. The reversal of 130520 is 25031.

It is an interprime number because it is at equal distance from previous prime (130517) and next prime (130523).

It is an Ulam 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 (130523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 645.

2¹³⁰⁵²⁰ is an apocalyptic number.

130520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158760).

130520 is an abundant number, since it is smaller than the sum of its proper divisors (187000).

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

130520 is a wasteful number, since it uses less digits than its factorization.

130520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 130520 is about 361.2755181299. The cubic root of 130520 is about 50.7254242922.

Adding to 130520 its reverse (25031), we get a palindrome (155551).

It can be divided in two parts, 130 and 520, that multiplied together give a square (67600 = 260²).

The spelling of 130520 in words is "one hundred thirty thousand, five hundred twenty".