140113243 has 2 divisors, whose sum is σ = 140113244. Its totient is φ = 140113242.

The previous prime is 140113241. The next prime is 140113249. The reversal of 140113243 is 342311041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140113243 - 2¹ = 140113241 is a prime.

Together with 140113241, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 140113243.

It is not a weakly prime, because it can be changed into another prime (140113241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70056621 + 70056622.

It is an arithmetic number, because the mean of its divisors is an integer number (70056622).

Almost surely, 2^140113243 is an apocalyptic number.

140113243 is a deficient number, since it is larger than the sum of its proper divisors (1).

140113243 is an equidigital number, since it uses as much as digits as its factorization.

140113243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140113243 is about 11836.9439890539. The cubic root of 140113243 is about 519.3893756939.

Adding to 140113243 its reverse (342311041), we get a palindrome (482424284).

The spelling of 140113243 in words is "one hundred forty million, one hundred thirteen thousand, two hundred forty-three".