133535319997 has 2 divisors, whose sum is σ = 133535319998. Its totient is φ = 133535319996.

The previous prime is 133535319989. The next prime is 133535320021. The reversal of 133535319997 is 799913535331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129106550596 + 4428769401 = 359314^2 + 66549^2 .

It is a cyclic number.

It is not a de Polignac number, because 133535319997 - 2³ = 133535319989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133535313997) 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, 66767659998 + 66767659999.

It is an arithmetic number, because the mean of its divisors is an integer number (66767659999).

Almost surely, 2^133535319997 is an apocalyptic number.

It is an amenable number.

133535319997 is a deficient number, since it is larger than the sum of its proper divisors (1).

133535319997 is an equidigital number, since it uses as much as digits as its factorization.

133535319997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10333575, while the sum is 58.

The spelling of 133535319997 in words is "one hundred thirty-three billion, five hundred thirty-five million, three hundred nineteen thousand, nine hundred ninety-seven".