21140534041339 has 2 divisors, whose sum is σ = 21140534041340. Its totient is φ = 21140534041338.

The previous prime is 21140534041313. The next prime is 21140534041351. The reversal of 21140534041339 is 93314043504112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21140534041339 - 2⁵ = 21140534041307 is a prime.

It is not a weakly prime, because it can be changed into another prime (21140534041399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10570267020669 + 10570267020670.

It is an arithmetic number, because the mean of its divisors is an integer number (10570267020670).

Almost surely, 2^{21140534041339} is an apocalyptic number.

21140534041339 is a deficient number, since it is larger than the sum of its proper divisors (1).

21140534041339 is an equidigital number, since it uses as much as digits as its factorization.

21140534041339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 21140534041339 in words is "twenty-one trillion, one hundred forty billion, five hundred thirty-four million, forty-one thousand, three hundred thirty-nine".