134212220 has 24 divisors (see below), whose sum is σ = 282063600. Its totient is φ = 53643392.

The previous prime is 134212171. The next prime is 134212241. The reversal of 134212220 is 22212431.

134212220 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 7 ways as a sum of consecutive naturals, for example, 47816 + ... + 50544.

It is an arithmetic number, because the mean of its divisors is an integer number (11752650).

Almost surely, 2^134212220 is an apocalyptic number.

134212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134212220 is an abundant number, since it is smaller than the sum of its proper divisors (147851380).

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

134212220 is a wasteful number, since it uses less digits than its factorization.

134212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5195 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 134212220 is about 11584.9997842037. Note that the first 3 decimals coincide. The cubic root of 134212220 is about 511.9929961200.

Adding to 134212220 its reverse (22212431), we get a palindrome (156424651).

The spelling of 134212220 in words is "one hundred thirty-four million, two hundred twelve thousand, two hundred twenty".