140044242311 has 4 divisors (see below), whose sum is σ = 142340049624. Its totient is φ = 137748435000.

The previous prime is 140044242271. The next prime is 140044242379. The reversal of 140044242311 is 113242440041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113242440041 = 5507 ⋅20563363.

It is a cyclic number.

It is not a de Polignac number, because 140044242311 - 2¹⁰ = 140044241287 is a prime.

It is a super-2 number, since 2×140044242311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044247311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147903565 + ... + 1147903686.

It is an arithmetic number, because the mean of its divisors is an integer number (35585012406).

Almost surely, 2^140044242311 is an apocalyptic number.

140044242311 is a deficient number, since it is larger than the sum of its proper divisors (2295807313).

140044242311 is an equidigital number, since it uses as much as digits as its factorization.

140044242311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295807312.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140044242311 its reverse (113242440041), we get a palindrome (253286682352).

The spelling of 140044242311 in words is "one hundred forty billion, forty-four million, two hundred forty-two thousand, three hundred eleven".