130619520 has 128 divisors (see below), whose sum is σ = 462672000. Its totient is φ = 34827264.

The previous prime is 130619519. The next prime is 130619527. The reversal of 130619520 is 25916031.

130619520 is a `hidden beast` number, since 130 + 6 + 1 + 9 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×130619520² = 34122918010060800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (130619527) 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, 13501 + ... + 21059.

It is an arithmetic number, because the mean of its divisors is an integer number (3614625).

Almost surely, 2^130619520 is an apocalyptic number.

130619520 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 130619520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231336000).

130619520 is an abundant number, since it is smaller than the sum of its proper divisors (332052480).

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

130619520 is an equidigital number, since it uses as much as digits as its factorization.

130619520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 130619520 is about 11428.8897098537. The cubic root of 130619520 is about 507.3831353452.

The spelling of 130619520 in words is "one hundred thirty million, six hundred nineteen thousand, five hundred twenty".