134423220 has 96 divisors (see below), whose sum is σ = 390087936. Its totient is φ = 34560000.

The previous prime is 134423213. The next prime is 134423273. The reversal of 134423220 is 22324431.

134423220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335020 + ... + 335420.

It is an arithmetic number, because the mean of its divisors is an integer number (4063416).

Almost surely, 2^134423220 is an apocalyptic number.

134423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134423220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195043968).

134423220 is an abundant number, since it is smaller than the sum of its proper divisors (255664716).

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

134423220 is a wasteful number, since it uses less digits than its factorization.

134423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 134423220 is about 11594.1028113434. The cubic root of 134423220 is about 512.2611633521.

Adding to 134423220 its reverse (22324431), we get a palindrome (156747651).

The spelling of 134423220 in words is "one hundred thirty-four million, four hundred twenty-three thousand, two hundred twenty".