140981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
140981 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140981.
2140981 is an apocalyptic number.
140981 is the 266-th centered square number.
It is an amenable number.
140981 is an equidigital number, since it uses as much as digits as its factorization.
140981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8310.
The square root of 140981 is about 375.4743666351. The cubic root of 140981 is about 52.0459406630.
The spelling of 140981 in words is "one hundred forty thousand, nine hundred eighty-one".