421424214134 has 24 divisors (see below), whose sum is σ = 802191548808. Its totient is φ = 164191251840.

The previous prime is 421424214121. The next prime is 421424214139. The reversal of 421424214134 is 431412424124.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 421424214134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421424214139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195464699 + ... + 195466854.

It is an arithmetic number, because the mean of its divisors is an integer number (33424647867).

Almost surely, 2^421424214134 is an apocalyptic number.

421424214134 is a deficient number, since it is larger than the sum of its proper divisors (380767334674).

421424214134 is a wasteful number, since it uses less digits than its factorization.

421424214134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390931580 (or 390931573 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 421424214134 its reverse (431412424124), we get a palindrome (852836638258).

The spelling of 421424214134 in words is "four hundred twenty-one billion, four hundred twenty-four million, two hundred fourteen thousand, one hundred thirty-four".