133543345601 has 2 divisors, whose sum is σ = 133543345602. Its totient is φ = 133543345600.

The previous prime is 133543345517. The next prime is 133543345609. The reversal of 133543345601 is 106543345331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111743118400 + 21800227201 = 334280^2 + 147649^2 .

It is a cyclic number.

It is not a de Polignac number, because 133543345601 - 2²² = 133539151297 is a prime.

It is not a weakly prime, because it can be changed into another prime (133543345609) 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, 66771672800 + 66771672801.

It is an arithmetic number, because the mean of its divisors is an integer number (66771672801).

Almost surely, 2^133543345601 is an apocalyptic number.

It is an amenable number.

133543345601 is a deficient number, since it is larger than the sum of its proper divisors (1).

133543345601 is an equidigital number, since it uses as much as digits as its factorization.

133543345601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 133543345601 in words is "one hundred thirty-three billion, five hundred forty-three million, three hundred forty-five thousand, six hundred one".