134406320 has 20 divisors (see below), whose sum is σ = 312494880. Its totient is φ = 53762496.

The previous prime is 134406317. The next prime is 134406331. The reversal of 134406320 is 23604431.

It is a happy number.

134406320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839960 + ... + 840119.

It is an arithmetic number, because the mean of its divisors is an integer number (15624744).

Almost surely, 2^134406320 is an apocalyptic number.

134406320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134406320 is an abundant number, since it is smaller than the sum of its proper divisors (178088560).

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

134406320 is a wasteful number, since it uses less digits than its factorization.

134406320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680092 (or 1680086 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 134406320 is about 11593.3739696432. The cubic root of 134406320 is about 512.2396948972.

The spelling of 134406320 in words is "one hundred thirty-four million, four hundred six thousand, three hundred twenty".