140440342143 has 8 divisors (see below), whose sum is σ = 188299900800. Its totient is φ = 93103839128.

The previous prime is 140440342111. The next prime is 140440342201. The reversal of 140440342143 is 341243044041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140440342143 - 2⁵ = 140440342111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140440342143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440342243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130763283 + ... + 130764356.

It is an arithmetic number, because the mean of its divisors is an integer number (23537487600).

Almost surely, 2^140440342143 is an apocalyptic number.

140440342143 is a deficient number, since it is larger than the sum of its proper divisors (47859558657).

140440342143 is a wasteful number, since it uses less digits than its factorization.

140440342143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261527821.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 140440342143 its reverse (341243044041), we get a palindrome (481683386184).

The spelling of 140440342143 in words is "one hundred forty billion, four hundred forty million, three hundred forty-two thousand, one hundred forty-three".