140313013 has 4 divisors (see below), whose sum is σ = 140931360. Its totient is φ = 139694668.

The previous prime is 140312987. The next prime is 140313023. The reversal of 140313013 is 310313041.

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: 310313041 = 173 ⋅1793717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140313013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140313023) 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, 308833 + ... + 309286.

It is an arithmetic number, because the mean of its divisors is an integer number (35232840).

Almost surely, 2^140313013 is an apocalyptic number.

It is an amenable number.

140313013 is a deficient number, since it is larger than the sum of its proper divisors (618347).

140313013 is an equidigital number, since it uses as much as digits as its factorization.

140313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618346.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 140313013 is about 11845.3793945150. The cubic root of 140313013 is about 519.6361026516.

Adding to 140313013 its reverse (310313041), we get a palindrome (450626054).

The spelling of 140313013 in words is "one hundred forty million, three hundred thirteen thousand, thirteen".