421234330134 has 32 divisors (see below), whose sum is σ = 848449578240. Its totient is φ = 139417942752.

The previous prime is 421234330129. The next prime is 421234330147. The reversal of 421234330134 is 431033432124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93447 + ... + 922605.

It is an arithmetic number, because the mean of its divisors is an integer number (26514049320).

Almost surely, 2^421234330134 is an apocalyptic number.

421234330134 is an abundant number, since it is smaller than the sum of its proper divisors (427215248106).

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

421234330134 is a wasteful number, since it uses less digits than its factorization.

421234330134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829764.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 421234330134 its reverse (431033432124), we get a palindrome (852267762258).

The spelling of 421234330134 in words is "four hundred twenty-one billion, two hundred thirty-four million, three hundred thirty thousand, one hundred thirty-four".