140424424313 has 4 divisors (see below), whose sum is σ = 140537945700. Its totient is φ = 140310902928.

The previous prime is 140424424291. The next prime is 140424424331. The reversal of 140424424313 is 313424424041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313424424041 = 10987 ⋅28526843.

It can be written as a sum of positive squares in 2 ways, for example, as 55992337129 + 84432087184 = 236627^2 + 290572^2 .

It is a cyclic number.

It is not a de Polignac number, because 140424424313 - 2³⁴ = 123244555129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140424424313.

It is not an unprimeable number, because it can be changed into a prime (140424424813) 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, 56758838 + ... + 56761311.

It is an arithmetic number, because the mean of its divisors is an integer number (35134486425).

Almost surely, 2^140424424313 is an apocalyptic number.

It is an amenable number.

140424424313 is a deficient number, since it is larger than the sum of its proper divisors (113521387).

140424424313 is a wasteful number, since it uses less digits than its factorization.

140424424313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113521386.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 140424424313 its reverse (313424424041), we get a palindrome (453848848354).

The spelling of 140424424313 in words is "one hundred forty billion, four hundred twenty-four million, four hundred twenty-four thousand, three hundred thirteen".