140042213304401 has 2 divisors, whose sum is σ = 140042213304402. Its totient is φ = 140042213304400.

The previous prime is 140042213304379. The next prime is 140042213304403. The reversal of 140042213304401 is 104403312240041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138476974605376 + 1565238699025 = 11767624^2 + 1251095^2 .

It is a cyclic number.

It is not a de Polignac number, because 140042213304401 - 2¹⁴ = 140042213288017 is a prime.

It is a super-2 number, since 2×140042213304401² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 140042213304403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140042213304403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70021106652200 + 70021106652201.

It is an arithmetic number, because the mean of its divisors is an integer number (70021106652201).

Almost surely, 2^{140042213304401} is an apocalyptic number.

It is an amenable number.

140042213304401 is a deficient number, since it is larger than the sum of its proper divisors (1).

140042213304401 is an equidigital number, since it uses as much as digits as its factorization.

140042213304401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140042213304401 its reverse (104403312240041), we get a palindrome (244445525544442).

The spelling of 140042213304401 in words is "one hundred forty trillion, forty-two billion, two hundred thirteen million, three hundred four thousand, four hundred one".