130421530 has 16 divisors (see below), whose sum is σ = 238263840. Its totient is φ = 51389712.

The previous prime is 130421527. The next prime is 130421531. The reversal of 130421530 is 35124031.

It is a junction number, because it is equal to n+sod(n) for n = 130421498 and 130421507.

It is not an unprimeable number, because it can be changed into a prime (130421531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96660 + ... + 97999.

It is an arithmetic number, because the mean of its divisors is an integer number (14891490).

Almost surely, 2^130421530 is an apocalyptic number.

130421530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130421530 is a deficient number, since it is larger than the sum of its proper divisors (107842310).

130421530 is a wasteful number, since it uses less digits than its factorization.

130421530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194733.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130421530 is about 11420.2246037458. The cubic root of 130421530 is about 507.1266458955.

Adding to 130421530 its reverse (35124031), we get a palindrome (165545561).

The spelling of 130421530 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred thirty".