140020424143 has 4 divisors (see below), whose sum is σ = 140211448648. Its totient is φ = 139829399640.

The previous prime is 140020424111. The next prime is 140020424161. The reversal of 140020424143 is 341424020041.

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 140020424143 - 2⁵ = 140020424111 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 (140020428143) 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, 95511153 + ... + 95512618.

It is an arithmetic number, because the mean of its divisors is an integer number (35052862162).

Almost surely, 2^140020424143 is an apocalyptic number.

140020424143 is a deficient number, since it is larger than the sum of its proper divisors (191024505).

140020424143 is an equidigital number, since it uses as much as digits as its factorization.

140020424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191024504.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140020424143 its reverse (341424020041), we get a palindrome (481444444184).

The spelling of 140020424143 in words is "one hundred forty billion, twenty million, four hundred twenty-four thousand, one hundred forty-three".