140313 has 4 divisors (see below), whose sum is σ = 187088. Its totient is φ = 93540.

The previous prime is 140297. The next prime is 140317. The reversal of 140313 is 313041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313041 = 3 ⋅104347.

It is not a de Polignac number, because 140313 - 2⁴ = 140297 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140313.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23383 + ... + 23388.

It is an arithmetic number, because the mean of its divisors is an integer number (46772).

2¹⁴⁰³¹³ is an apocalyptic number.

It is an amenable number.

140313 is a deficient number, since it is larger than the sum of its proper divisors (46775).

140313 is an equidigital number, since it uses as much as digits as its factorization.

140313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46774.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 140313 is about 374.5837690023. The cubic root of 140313 is about 51.9636086604.

Adding to 140313 its reverse (313041), we get a palindrome (453354).

The spelling of 140313 in words is "one hundred forty thousand, three hundred thirteen".