134420304 has 80 divisors (see below), whose sum is σ = 358727040. Its totient is φ = 43345920.

The previous prime is 134420267. The next prime is 134420311. The reversal of 134420304 is 403024431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328452 + ... + 328860.

It is an arithmetic number, because the mean of its divisors is an integer number (4484088).

Almost surely, 2^134420304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134420304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179363520).

134420304 is an abundant number, since it is smaller than the sum of its proper divisors (224306736).

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

134420304 is a wasteful number, since it uses less digits than its factorization.

134420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 622 counting only the distinct ones).

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

The square root of 134420304 is about 11593.9770570758. The cubic root of 134420304 is about 512.2574592193.

Adding to 134420304 its reverse (403024431), we get a palindrome (537444735).

The spelling of 134420304 in words is "one hundred thirty-four million, four hundred twenty thousand, three hundred four".