It is a happy number.
135570 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2135570 is an apocalyptic number.
135570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
135570 is a wasteful number, since it uses less digits than its factorization.
135570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4529.
The square root of 135570 is about 368.1983161287. The cubic root of 135570 is about 51.3713760090.
The spelling of 135570 in words is "one hundred thirty-five thousand, five hundred seventy".