Adding to 140000 its reverse (41), we get a palindrome (140041).
140000 is nontrivially palindromic in base 3.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
2140000 is an apocalyptic number.
140000 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 140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140000 is an frugal number, since it uses more digits than its factorization.
140000 is an evil number, because the sum of its binary digits is even.
The square root of 140000 is about 374.1657386774. The cubic root of 140000 is about 51.9249410185.
The spelling of 140000 in words is "one hundred forty thousand", and thus it is an iban number.