140043233004401 has 4 divisors (see below), whose sum is σ = 148281070239972. Its totient is φ = 131805395768832.

The previous prime is 140043233004253. The next prime is 140043233004419. The reversal of 140043233004401 is 104400332340041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104383513080625 + 35659719923776 = 10216825^2 + 5971576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140043233004401 is a prime.

It is a super-2 number, since 2×140043233004401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140043233004601) 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, 4118918617760 + ... + 4118918617793.

It is an arithmetic number, because the mean of its divisors is an integer number (37070267559993).

Almost surely, 2^{140043233004401} is an apocalyptic number.

It is an amenable number.

140043233004401 is a deficient number, since it is larger than the sum of its proper divisors (8237837235571).

140043233004401 is an equidigital number, since it uses as much as digits as its factorization.

140043233004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237837235570.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140043233004401 its reverse (104400332340041), we get a palindrome (244443565344442).

The spelling of 140043233004401 in words is "one hundred forty trillion, forty-three billion, two hundred thirty-three million, four thousand, four hundred one".