Adding to 130000 its reverse (31), we get a palindrome (130031).
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (50).
It is an Ulam number.
It is a congruent number.
2130000 is an apocalyptic number.
130000 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 130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169477).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130000 is an equidigital number, since it uses as much as digits as its factorization.
130000 is an odious number, because the sum of its binary digits is odd.
The square root of 130000 is about 360.5551275464. Note that the first 3 decimals coincide. The cubic root of 130000 is about 50.6579701910.
The spelling of 130000 in words is "one hundred thirty thousand".