134424220 has 24 divisors (see below), whose sum is σ = 322618464. Its totient is φ = 46088256.

The previous prime is 134424217. The next prime is 134424239. The reversal of 134424220 is 22424431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134424191 and 134424200.

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, 479947 + ... + 480226.

It is an arithmetic number, because the mean of its divisors is an integer number (13442436).

Almost surely, 2^134424220 is an apocalyptic number.

134424220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134424220 is an abundant number, since it is smaller than the sum of its proper divisors (188194244).

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

134424220 is a wasteful number, since it uses less digits than its factorization.

134424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960189 (or 960187 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 134424220 is about 11594.1459366354. The cubic root of 134424220 is about 512.2624336185.

Adding to 134424220 its reverse (22424431), we get a palindrome (156848651).

The spelling of 134424220 in words is "one hundred thirty-four million, four hundred twenty-four thousand, two hundred twenty".