140106208 has 24 divisors (see below), whose sum is σ = 300910680. Its totient is φ = 63684480.

The previous prime is 140106193. The next prime is 140106223. The reversal of 140106208 is 802601041.

140106208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140106193) and next prime (140106223).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198663 + ... + 199366.

It is an arithmetic number, because the mean of its divisors is an integer number (12537945).

Almost surely, 2^140106208 is an apocalyptic number.

It is an amenable number.

140106208 is an abundant number, since it is smaller than the sum of its proper divisors (160804472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140106208 is a wasteful number, since it uses less digits than its factorization.

140106208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398050 (or 398042 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 140106208 is about 11836.6468224747. The cubic root of 140106208 is about 519.3806828077.

Adding to 140106208 its reverse (802601041), we get a palindrome (942707249).

The spelling of 140106208 in words is "one hundred forty million, one hundred six thousand, two hundred eight".