140320313 has 8 divisors (see below), whose sum is σ = 162995520. Its totient is φ = 118302480.

The previous prime is 140320267. The next prime is 140320331. The reversal of 140320313 is 313023041.

It is a happy number.

140320313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 140320313 - 2¹² = 140316217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140320291 and 140320300.

It is not an unprimeable number, because it can be changed into a prime (140320373) 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, 163883 + ... + 164736.

It is an arithmetic number, because the mean of its divisors is an integer number (20374440).

Almost surely, 2^140320313 is an apocalyptic number.

It is an amenable number.

140320313 is a deficient number, since it is larger than the sum of its proper divisors (22675207).

140320313 is an equidigital number, since it uses as much as digits as its factorization.

140320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328687.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140320313 is about 11845.6875275351. The cubic root of 140320313 is about 519.6451141174.

Adding to 140320313 its reverse (313023041), we get a palindrome (453343354).

The spelling of 140320313 in words is "one hundred forty million, three hundred twenty thousand, three hundred thirteen".