140249 has 2 divisors, whose sum is σ = 140250. Its totient is φ = 140248.

The previous prime is 140237. The next prime is 140263. The reversal of 140249 is 942041.

140249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115600 + 24649 = 340^2 + 157^2 .

It is an emirp because it is prime and its reverse (942041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140249 - 2¹⁶ = 74713 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140249.

It is not a weakly prime, because it can be changed into another prime (140269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70124 + 70125.

It is an arithmetic number, because the mean of its divisors is an integer number (70125).

2¹⁴⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

140249 is a deficient number, since it is larger than the sum of its proper divisors (1).

140249 is an equidigital number, since it uses as much as digits as its factorization.

140249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 140249 is about 374.4983311044. The cubic root of 140249 is about 51.9557068581.

The spelling of 140249 in words is "one hundred forty thousand, two hundred forty-nine".