140434401043 has 4 divisors (see below), whose sum is σ = 140438381760. Its totient is φ = 140430420328.

The previous prime is 140434400963. The next prime is 140434401047. The reversal of 140434401043 is 340104434041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340104434041 = 318319 ⋅1068439.

It is a cyclic number.

It is not a de Polignac number, because 140434401043 - 2²⁹ = 139897530131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140434401047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936963 + ... + 2008156.

It is an arithmetic number, because the mean of its divisors is an integer number (35109595440).

Almost surely, 2^140434401043 is an apocalyptic number.

140434401043 is a deficient number, since it is larger than the sum of its proper divisors (3980717).

140434401043 is an equidigital number, since it uses as much as digits as its factorization.

140434401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980716.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140434401043 its reverse (340104434041), we get a palindrome (480538835084).

The spelling of 140434401043 in words is "one hundred forty billion, four hundred thirty-four million, four hundred one thousand, forty-three".