It is a plaindrome in base 9.
It is a zygodrome in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 134520.
It is a congruent number.
It is an unprimeable number.
134520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2134520 is an apocalyptic number.
134520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 134520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134520 is a wasteful number, since it uses less digits than its factorization.
134520 is an evil number, because the sum of its binary digits is even.
The square root of 134520 is about 366.7696824984. The cubic root of 134520 is about 51.2384070546.
Adding to 134520 its reverse (25431), we get a palindrome (159951).
The spelling of 134520 in words is "one hundred thirty-four thousand, five hundred twenty".