1400140013 has 2 divisors, whose sum is σ = 1400140014. Its totient is φ = 1400140012.

The previous prime is 1400140003. The next prime is 1400140057. The reversal of 1400140013 is 3100410041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274632804 + 125507209 = 35702^2 + 11203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400140013 - 2¹⁴ = 1400123629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400140013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400140003) 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 as a sum of consecutive naturals, namely, 700070006 + 700070007.

It is an arithmetic number, because the mean of its divisors is an integer number (700070007).

Almost surely, 2^1400140013 is an apocalyptic number.

It is an amenable number.

1400140013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400140013 is an equidigital number, since it uses as much as digits as its factorization.

1400140013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1400140013 is about 37418.4448233755. Note that the first 3 decimals coincide. The cubic root of 1400140013 is about 1118.7262339323.

Adding to 1400140013 its reverse (3100410041), we get a palindrome (4500550054).

The spelling of 1400140013 in words is "one billion, four hundred million, one hundred forty thousand, thirteen".