421404130132 has 12 divisors (see below), whose sum is σ = 740677566580. Its totient is φ = 209781968256.

The previous prime is 421404130067. The next prime is 421404130171. The reversal of 421404130132 is 231031404124.

It can be written as a sum of positive squares in 2 ways, for example, as 392732835856 + 28671294276 = 626684^2 + 169326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421404130097 and 421404130106.

It is a congruent number.

It is an unprimeable number.

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, 230023173 + ... + 230025004.

Almost surely, 2^421404130132 is an apocalyptic number.

It is an amenable number.

421404130132 is a deficient number, since it is larger than the sum of its proper divisors (319273436448).

421404130132 is a wasteful number, since it uses less digits than its factorization.

421404130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460048410 (or 460048408 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 421404130132 its reverse (231031404124), we get a palindrome (652435534256).

The spelling of 421404130132 in words is "four hundred twenty-one billion, four hundred four million, one hundred thirty thousand, one hundred thirty-two".