134422420 has 24 divisors (see below), whose sum is σ = 307950048. Its totient is φ = 48880800.

The previous prime is 134422411. The next prime is 134422433. The reversal of 134422420 is 24224431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 134422391 and 134422400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305286 + ... + 305725.

It is an arithmetic number, because the mean of its divisors is an integer number (12831252).

Almost surely, 2^134422420 is an apocalyptic number.

134422420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134422420 is an abundant number, since it is smaller than the sum of its proper divisors (173527628).

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

134422420 is a wasteful number, since it uses less digits than its factorization.

134422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611031 (or 611029 counting only the distinct ones).

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

The square root of 134422420 is about 11594.0683109942. The cubic root of 134422420 is about 512.2601471345.

Adding to 134422420 its reverse (24224431), we get a palindrome (158646851).

The spelling of 134422420 in words is "one hundred thirty-four million, four hundred twenty-two thousand, four hundred twenty".