140518318 has 8 divisors (see below), whose sum is σ = 211881600. Its totient is φ = 69891120.

The previous prime is 140518291. The next prime is 140518349. The reversal of 140518318 is 813815041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 140518318.

It is a congruent number.

It is an unprimeable number.

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, 183543 + ... + 184306.

It is an arithmetic number, because the mean of its divisors is an integer number (26485200).

Almost surely, 2^140518318 is an apocalyptic number.

140518318 is a deficient number, since it is larger than the sum of its proper divisors (71363282).

140518318 is a wasteful number, since it uses less digits than its factorization.

140518318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368042.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 140518318 is about 11854.0422641393. The cubic root of 140518318 is about 519.8894217534.

The spelling of 140518318 in words is "one hundred forty million, five hundred eighteen thousand, three hundred eighteen".