140918 has 4 divisors (see below), whose sum is σ = 211380. Its totient is φ = 70458.

The previous prime is 140909. The next prime is 140929. The reversal of 140918 is 819041.

140918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 819041 = 673 ⋅1217.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140893 and 140902.

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 140918.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35228 + ... + 35231.

It is an arithmetic number, because the mean of its divisors is an integer number (52845).

2¹⁴⁰⁹¹⁸ is an apocalyptic number.

140918 is a deficient number, since it is larger than the sum of its proper divisors (70462).

140918 is an equidigital number, since it uses as much as digits as its factorization.

140918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70461.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 140918 is about 375.3904633845. The cubic root of 140918 is about 52.0381869402.

Adding to 140918 its reverse (819041), we get a palindrome (959959).

The spelling of 140918 in words is "one hundred forty thousand, nine hundred eighteen".