133504430513 has 2 divisors, whose sum is σ = 133504430514. Its totient is φ = 133504430512.

The previous prime is 133504430497. The next prime is 133504430533. The reversal of 133504430513 is 315034405331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108815536384 + 24688894129 = 329872^2 + 157127^2 .

It is an emirp because it is prime and its reverse (315034405331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133504430513 - 2⁴ = 133504430497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133504430513.

It is not a weakly prime, because it can be changed into another prime (133504430533) 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, 66752215256 + 66752215257.

It is an arithmetic number, because the mean of its divisors is an integer number (66752215257).

Almost surely, 2^133504430513 is an apocalyptic number.

It is an amenable number.

133504430513 is a deficient number, since it is larger than the sum of its proper divisors (1).

133504430513 is an equidigital number, since it uses as much as digits as its factorization.

133504430513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 133504430513 its reverse (315034405331), we get a palindrome (448538835844).

The spelling of 133504430513 in words is "one hundred thirty-three billion, five hundred four million, four hundred thirty thousand, five hundred thirteen".