130421504 has 36 divisors (see below), whose sum is σ = 262388280. Its totient is φ = 64696320.

The previous prime is 130421503. The next prime is 130421527. The reversal of 130421504 is 405124031.

It is not an unprimeable number, because it can be changed into a prime (130421503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31592 + ... + 35480.

Almost surely, 2^130421504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130421504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131194140).

130421504 is an abundant number, since it is smaller than the sum of its proper divisors (131966776).

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

130421504 is an equidigital number, since it uses as much as digits as its factorization.

130421504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130421504 is about 11420.2234654143. The cubic root of 130421504 is about 507.1266121963.

Adding to 130421504 its reverse (405124031), we get a palindrome (535545535).

The spelling of 130421504 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred four".