140208286 has 16 divisors (see below), whose sum is σ = 213159600. Its totient is φ = 69158848.

The previous prime is 140208283. The next prime is 140208311. The reversal of 140208286 is 682802041.

140208286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140208283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137085 + ... + 138103.

It is an arithmetic number, because the mean of its divisors is an integer number (13322475).

Almost surely, 2^140208286 is an apocalyptic number.

140208286 is a deficient number, since it is larger than the sum of its proper divisors (72951314).

140208286 is a wasteful number, since it uses less digits than its factorization.

140208286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

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

The square root of 140208286 is about 11840.9579848929. The cubic root of 140208286 is about 519.5067882616.

The spelling of 140208286 in words is "one hundred forty million, two hundred eight thousand, two hundred eighty-six".