140243440043 has 8 divisors (see below), whose sum is σ = 160281020640. Its totient is φ = 120206560320.

The previous prime is 140243440037. The next prime is 140243440063. The reversal of 140243440043 is 340044342041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140243440043 - 2⁶ = 140243439979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140243439988 and 140243440015.

It is not an unprimeable number, because it can be changed into a prime (140243440063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364343 + ... + 642831.

It is an arithmetic number, because the mean of its divisors is an integer number (20035127580).

Almost surely, 2^140243440043 is an apocalyptic number.

140243440043 is a deficient number, since it is larger than the sum of its proper divisors (20037580597).

140243440043 is an equidigital number, since it uses as much as digits as its factorization.

140243440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350437.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 140243440043 its reverse (340044342041), we get a palindrome (480287782084).

The spelling of 140243440043 in words is "one hundred forty billion, two hundred forty-three million, four hundred forty thousand, forty-three".