140424143311 has 4 divisors (see below), whose sum is σ = 140470021624. Its totient is φ = 140378265000.

The previous prime is 140424143309. The next prime is 140424143323. The reversal of 140424143311 is 113341424041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113341424041 = 701 ⋅161685341.

It is a cyclic number.

It is not a de Polignac number, because 140424143311 - 2¹ = 140424143309 is a prime.

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 140424143311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140424143381) 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, 22934565 + ... + 22940686.

It is an arithmetic number, because the mean of its divisors is an integer number (35117505406).

Almost surely, 2^140424143311 is an apocalyptic number.

140424143311 is a deficient number, since it is larger than the sum of its proper divisors (45878313).

140424143311 is an equidigital number, since it uses as much as digits as its factorization.

140424143311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45878312.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 140424143311 its reverse (113341424041), we get a palindrome (253765567352).

The spelling of 140424143311 in words is "one hundred forty billion, four hundred twenty-four million, one hundred forty-three thousand, three hundred eleven".