140243404003 has 4 divisors (see below), whose sum is σ = 140789098440. Its totient is φ = 139697709568.

The previous prime is 140243404001. The next prime is 140243404009. The reversal of 140243404003 is 300404342041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140243404003 - 2¹ = 140243404001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140243404001) 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, 272846833 + ... + 272847346.

It is an arithmetic number, because the mean of its divisors is an integer number (35197274610).

Almost surely, 2^140243404003 is an apocalyptic number.

140243404003 is a deficient number, since it is larger than the sum of its proper divisors (545694437).

140243404003 is an equidigital number, since it uses as much as digits as its factorization.

140243404003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545694436.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 140243404003 its reverse (300404342041), we get a palindrome (440647746044).

The spelling of 140243404003 in words is "one hundred forty billion, two hundred forty-three million, four hundred four thousand, three".