140140543 has 2 divisors, whose sum is σ = 140140544. Its totient is φ = 140140542.

The previous prime is 140140529. The next prime is 140140547. The reversal of 140140543 is 345041041.

It is a strong prime.

It is an emirp because it is prime and its reverse (345041041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140140543 - 2⁹ = 140140031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140140547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70070271 + 70070272.

It is an arithmetic number, because the mean of its divisors is an integer number (70070272).

Almost surely, 2^140140543 is an apocalyptic number.

140140543 is a deficient number, since it is larger than the sum of its proper divisors (1).

140140543 is an equidigital number, since it uses as much as digits as its factorization.

140140543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140140543 is about 11838.0971021529. The cubic root of 140140543 is about 519.4231065268.

Adding to 140140543 its reverse (345041041), we get a palindrome (485181584).

The spelling of 140140543 in words is "one hundred forty million, one hundred forty thousand, five hundred forty-three".