140268208 has 20 divisors (see below), whose sum is σ = 274574440. Its totient is φ = 69410304.

The previous prime is 140268187. The next prime is 140268209. The reversal of 140268208 is 802862041.

140268208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140268208.

It is not an unprimeable number, because it can be changed into a prime (140268209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43638 + ... + 46741.

It is an arithmetic number, because the mean of its divisors is an integer number (13728722).

Almost surely, 2^140268208 is an apocalyptic number.

It is an amenable number.

140268208 is a deficient number, since it is larger than the sum of its proper divisors (134306232).

140268208 is an equidigital number, since it uses as much as digits as its factorization.

140268208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90484 (or 90478 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 140268208 is about 11843.4879997406. The cubic root of 140268208 is about 519.5807863895.

The spelling of 140268208 in words is "one hundred forty million, two hundred sixty-eight thousand, two hundred eight".