130421404424 has 16 divisors (see below), whose sum is σ = 250504527420. Its totient is φ = 63620197120.

The previous prime is 130421404409. The next prime is 130421404429. The reversal of 130421404424 is 424404124031.

It can be written as a sum of positive squares in 2 ways, for example, as 129996302500 + 425101924 = 360550^2 + 20618^2 .

It is not an unprimeable number, because it can be changed into a prime (130421404429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198812789 + ... + 198813444.

Almost surely, 2^130421404424 is an apocalyptic number.

It is an amenable number.

130421404424 is a deficient number, since it is larger than the sum of its proper divisors (120083122996).

130421404424 is a wasteful number, since it uses less digits than its factorization.

130421404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397626280 (or 397626276 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 130421404424 its reverse (424404124031), we get a palindrome (554825528455).

The spelling of 130421404424 in words is "one hundred thirty billion, four hundred twenty-one million, four hundred four thousand, four hundred twenty-four".