421214134 has 48 divisors (see below), whose sum is σ = 763272720. Its totient is φ = 172282880.

The previous prime is 421214119. The next prime is 421214153. The reversal of 421214134 is 431412124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196782 + ... + 198910.

It is an arithmetic number, because the mean of its divisors is an integer number (15901515).

Almost surely, 2^421214134 is an apocalyptic number.

421214134 is a deficient number, since it is larger than the sum of its proper divisors (342058586).

421214134 is a wasteful number, since it uses less digits than its factorization.

421214134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2182 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 421214134 is about 20523.5019916193. The cubic root of 421214134 is about 749.6081710328.

Adding to 421214134 its reverse (431412124), we get a palindrome (852626258).

The spelling of 421214134 in words is "four hundred twenty-one million, two hundred fourteen thousand, one hundred thirty-four".