140043444432013 has 2 divisors, whose sum is σ = 140043444432014. Its totient is φ = 140043444432012.

The previous prime is 140043444431981. The next prime is 140043444432043. The reversal of 140043444432013 is 310234444340041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131822132629924 + 8221311802089 = 11481382^2 + 2867283^2 .

It is a cyclic number.

It is not a de Polignac number, because 140043444432013 - 2⁵ = 140043444431981 is a prime.

It is a super-2 number, since 2×140043444432013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140043444432043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70021722216006 + 70021722216007.

It is an arithmetic number, because the mean of its divisors is an integer number (70021722216007).

Almost surely, 2^{140043444432013} is an apocalyptic number.

It is an amenable number.

140043444432013 is a deficient number, since it is larger than the sum of its proper divisors (1).

140043444432013 is an equidigital number, since it uses as much as digits as its factorization.

140043444432013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 140043444432013 its reverse (310234444340041), we get a palindrome (450277888772054).

The spelling of 140043444432013 in words is "one hundred forty trillion, forty-three billion, four hundred forty-four million, four hundred thirty-two thousand, thirteen".