134223020 has 24 divisors (see below), whose sum is σ = 291589200. Its totient is φ = 51837632.

The previous prime is 134223017. The next prime is 134223029. The reversal of 134223020 is 20322431.

It is a self number, because there is not a number n which added to its sum of digits gives 134223020.

It is not an unprimeable number, because it can be changed into a prime (134223029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115130 + ... + 116289.

It is an arithmetic number, because the mean of its divisors is an integer number (12149550).

Almost surely, 2^134223020 is an apocalyptic number.

134223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134223020 is an abundant number, since it is smaller than the sum of its proper divisors (157366180).

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

134223020 is a wasteful number, since it uses less digits than its factorization.

134223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231457 (or 231455 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 134223020 is about 11585.4658948184. The cubic root of 134223020 is about 512.0067290375.

Adding to 134223020 its reverse (20322431), we get a palindrome (154545451).

The spelling of 134223020 in words is "one hundred thirty-four million, two hundred twenty-three thousand, twenty".