The cubic root of 134217728 is 512.
It is a Jordan-Polya number, since it can be written as (2!)27.
It is an ABA number since it can be written as A⋅BA, here for A=8, B=8.
It is a Duffinian number.
It is a nialpdrome in base 2, base 4, base 8 and base 16.
It is an unprimeable number.
In principle, a polygon with 134217728 sides can be constructed with ruler and compass.
It is an impolite number, since it cannot be written as a nontrivial sum of consecutive naturals.
Almost surely, 2134217728 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 134217728
134217728 is an frugal number, since it uses more digits than its factorization.
134217728 is an odious number, because the sum of its binary digits is odd.
The square root of 134217728 is about 11585.2375029604.
The spelling of 134217728 in words is "one hundred thirty-four million, two hundred seventeen thousand, seven hundred twenty-eight".