130534320 has 80 divisors (see below), whose sum is σ = 462470400. Its totient is φ = 29836032.

The previous prime is 130534259. The next prime is 130534321. The reversal of 130534320 is 23435031.

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

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (130534321) 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, 37170 + ... + 40529.

It is an arithmetic number, because the mean of its divisors is an integer number (5780880).

Almost surely, 2^130534320 is an apocalyptic number.

130534320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130534320 is an abundant number, since it is smaller than the sum of its proper divisors (331936080).

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

130534320 is a wasteful number, since it uses less digits than its factorization.

130534320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77722 (or 77716 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 130534320 is about 11425.1617056390. The cubic root of 130534320 is about 507.2727933748.

Adding to 130534320 its reverse (23435031), we get a palindrome (153969351).

The spelling of 130534320 in words is "one hundred thirty million, five hundred thirty-four thousand, three hundred twenty".