130361520 has 80 divisors (see below), whose sum is σ = 405768672. Its totient is φ = 34621440.

The previous prime is 130361519. The next prime is 130361521. The reversal of 130361520 is 25163031.

It is an interprime number because it is at equal distance from previous prime (130361519) and next prime (130361521).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (130361521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66474 + ... + 68406.

Almost surely, 2^130361520 is an apocalyptic number.

130361520 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 130361520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202884336).

130361520 is an abundant number, since it is smaller than the sum of its proper divisors (275407152).

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

130361520 is a wasteful number, since it uses less digits than its factorization.

130361520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 130361520 is about 11417.5969450669. The cubic root of 130361520 is about 507.0488536813.

The spelling of 130361520 in words is "one hundred thirty million, three hundred sixty-one thousand, five hundred twenty".