130043520 has 192 divisors, whose sum is σ = 455401440. Its totient is φ = 34191360.

The previous prime is 130043497. The next prime is 130043531. The reversal of 130043520 is 25340031.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×130043520² = 33822634187980800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130043493 and 130043502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616215 + ... + 616425.

Almost surely, 2^130043520 is an apocalyptic number.

130043520 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 130043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227700720).

130043520 is an abundant number, since it is smaller than the sum of its proper divisors (325357920).

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

130043520 is a wasteful number, since it uses less digits than its factorization.

130043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130043520 is about 11403.6625695432. The cubic root of 130043520 is about 506.6362247022.

Adding to 130043520 its reverse (25340031), we get a palindrome (155383551).

The spelling of 130043520 in words is "one hundred thirty million, forty-three thousand, five hundred twenty".