140563543 has 4 divisors (see below), whose sum is σ = 140731920. Its totient is φ = 140395168.

The previous prime is 140563537. The next prime is 140563567. The reversal of 140563543 is 345365041.

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 140563543 - 2¹³ = 140555351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140563043) 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, 82930 + ... + 84607.

It is an arithmetic number, because the mean of its divisors is an integer number (35182980).

Almost surely, 2^140563543 is an apocalyptic number.

140563543 is a deficient number, since it is larger than the sum of its proper divisors (168377).

140563543 is an equidigital number, since it uses as much as digits as its factorization.

140563543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168376.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 140563543 is about 11855.9496878150. The cubic root of 140563543 is about 519.9451902290.

The spelling of 140563543 in words is "one hundred forty million, five hundred sixty-three thousand, five hundred forty-three".