140318 has 8 divisors (see below), whose sum is σ = 222912. Its totient is φ = 66016.

The previous prime is 140317. The next prime is 140321. The reversal of 140318 is 813041.

It is a happy number.

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

It is a super-2 number, since 2×140318² = 39378282248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 140296 and 140305.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140318.

It is not an unprimeable number, because it can be changed into a prime (140317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (27864).

2¹⁴⁰³¹⁸ is an apocalyptic number.

140318 is a deficient number, since it is larger than the sum of its proper divisors (82594).

140318 is a wasteful number, since it uses less digits than its factorization.

140318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 140318 is about 374.5904430174. The cubic root of 140318 is about 51.9642258874.

Adding to 140318 its reverse (813041), we get a palindrome (953359).

The spelling of 140318 in words is "one hundred forty thousand, three hundred eighteen".