134420223 has 16 divisors (see below), whose sum is σ = 210368000. Its totient is φ = 74735136.

The previous prime is 134420213. The next prime is 134420227. The reversal of 134420223 is 322024431.

134420223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 134420223 - 2⁹ = 134419711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134420223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134420227) 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, 85723 + ... + 87276.

It is an arithmetic number, because the mean of its divisors is an integer number (13148000).

Almost surely, 2^134420223 is an apocalyptic number.

134420223 is a deficient number, since it is larger than the sum of its proper divisors (75947777).

134420223 is a wasteful number, since it uses less digits than its factorization.

134420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173046.

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

The square root of 134420223 is about 11593.9735638822. The cubic root of 134420223 is about 512.2573563260.

Adding to 134420223 its reverse (322024431), we get a palindrome (456444654).

The spelling of 134420223 in words is "one hundred thirty-four million, four hundred twenty thousand, two hundred twenty-three".