140242434543 has 24 divisors (see below), whose sum is σ = 203529755520. Its totient is φ = 93053306880.

The previous prime is 140242434529. The next prime is 140242434569. The reversal of 140242434543 is 345434242041.

140242434543 is a `hidden beast` number, since 1 + 40 + 2 + 42 + 4 + 34 + 543 = 666.

It is not a de Polignac number, because 140242434543 - 2⁵ = 140242434511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140242434498 and 140242434507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140242434583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15106063 + ... + 15115343.

It is an arithmetic number, because the mean of its divisors is an integer number (8480406480).

Almost surely, 2^140242434543 is an apocalyptic number.

140242434543 is a deficient number, since it is larger than the sum of its proper divisors (63287320977).

140242434543 is a wasteful number, since it uses less digits than its factorization.

140242434543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17039 (or 17036 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 140242434543 its reverse (345434242041), we get a palindrome (485676676584).

The spelling of 140242434543 in words is "one hundred forty billion, two hundred forty-two million, four hundred thirty-four thousand, five hundred forty-three".