140286318 has 16 divisors (see below), whose sum is σ = 280861776. Its totient is φ = 46713920.

The previous prime is 140286313. The next prime is 140286319. The reversal of 140286318 is 813682041.

140286318 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 (140286313) 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, 5463 + ... + 17618.

It is an arithmetic number, because the mean of its divisors is an integer number (17553861).

Almost surely, 2^140286318 is an apocalyptic number.

140286318 is an abundant number, since it is smaller than the sum of its proper divisors (140575458).

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

140286318 is a wasteful number, since it uses less digits than its factorization.

140286318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24099.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 140286318 is about 11844.2525302359. The cubic root of 140286318 is about 519.6031464174.

The spelling of 140286318 in words is "one hundred forty million, two hundred eighty-six thousand, three hundred eighteen".