133543445279 has 2 divisors, whose sum is σ = 133543445280. Its totient is φ = 133543445278.

The previous prime is 133543445251. The next prime is 133543445297. The reversal of 133543445279 is 972544345331.

Together with next prime (133543445297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133543445279 - 2⁸ = 133543445023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133543445249) 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, 66771722639 + 66771722640.

It is an arithmetic number, because the mean of its divisors is an integer number (66771722640).

Almost surely, 2^133543445279 is an apocalyptic number.

133543445279 is a deficient number, since it is larger than the sum of its proper divisors (1).

133543445279 is an equidigital number, since it uses as much as digits as its factorization.

133543445279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 50.

The spelling of 133543445279 in words is "one hundred thirty-three billion, five hundred forty-three million, four hundred forty-five thousand, two hundred seventy-nine".