140034431543 has 2 divisors, whose sum is σ = 140034431544. Its totient is φ = 140034431542.

The previous prime is 140034431507. The next prime is 140034431557. The reversal of 140034431543 is 345134430041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140034431543 - 2¹⁶ = 140034366007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140034431743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70017215771 + 70017215772.

It is an arithmetic number, because the mean of its divisors is an integer number (70017215772).

Almost surely, 2^140034431543 is an apocalyptic number.

140034431543 is a deficient number, since it is larger than the sum of its proper divisors (1).

140034431543 is an equidigital number, since it uses as much as digits as its factorization.

140034431543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 140034431543 its reverse (345134430041), we get a palindrome (485168861584).

The spelling of 140034431543 in words is "one hundred forty billion, thirty-four million, four hundred thirty-one thousand, five hundred forty-three".