421233134 has 32 divisors (see below), whose sum is σ = 734469120. Its totient is φ = 177462432.

The previous prime is 421233133. The next prime is 421233143. The reversal of 421233134 is 431332124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421233133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265307 + ... + 266889.

It is an arithmetic number, because the mean of its divisors is an integer number (22952160).

Almost surely, 2^421233134 is an apocalyptic number.

421233134 is a deficient number, since it is larger than the sum of its proper divisors (313235986).

421233134 is a wasteful number, since it uses less digits than its factorization.

421233134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its digits is 1728, while the sum is 23.

The square root of 421233134 is about 20523.9648703656. The cubic root of 421233134 is about 749.6194418963.

Adding to 421233134 its reverse (431332124), we get a palindrome (852565258).

The spelling of 421233134 in words is "four hundred twenty-one million, two hundred thirty-three thousand, one hundred thirty-four".