140440404131311 has 4 divisors (see below), whose sum is σ = 141168074619232. Its totient is φ = 139712733643392.

The previous prime is 140440404131273. The next prime is 140440404131317. The reversal of 140440404131311 is 113131404044041.

It is a happy number.

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 140440404131311 - 2³⁷ = 140302965177839 is a prime.

It is a super-2 number, since 2×140440404131311² (a number of 29 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 (140440404131317) 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, 363835243671 + ... + 363835244056.

It is an arithmetic number, because the mean of its divisors is an integer number (35292018654808).

Almost surely, 2^{140440404131311} is an apocalyptic number.

140440404131311 is a deficient number, since it is larger than the sum of its proper divisors (727670487921).

140440404131311 is an equidigital number, since it uses as much as digits as its factorization.

140440404131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727670487920.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 140440404131311 its reverse (113131404044041), we get a palindrome (253571808175352).

The spelling of 140440404131311 in words is "one hundred forty trillion, four hundred forty billion, four hundred four million, one hundred thirty-one thousand, three hundred eleven".