140531542943 has 16 divisors (see below), whose sum is σ = 161894903040. Its totient is φ = 120642724800.

The previous prime is 140531542939. The next prime is 140531542951. The reversal of 140531542943 is 349245135041.

It is a happy number.

140531542943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140531542943 - 2² = 140531542939 is a prime.

It is a super-2 number, since 2×140531542943² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140531542943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140531542913) 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 in 15 ways as a sum of consecutive naturals, for example, 1016030 + ... + 1146027.

It is an arithmetic number, because the mean of its divisors is an integer number (10118431440).

Almost surely, 2^140531542943 is an apocalyptic number.

140531542943 is a deficient number, since it is larger than the sum of its proper divisors (21363360097).

140531542943 is a wasteful number, since it uses less digits than its factorization.

140531542943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162398.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 140531542943 its reverse (349245135041), we get a palindrome (489776677984).

The spelling of 140531542943 in words is "one hundred forty billion, five hundred thirty-one million, five hundred forty-two thousand, nine hundred forty-three".