133505267899 has 2 divisors, whose sum is σ = 133505267900. Its totient is φ = 133505267898.

The previous prime is 133505267891. The next prime is 133505267971. The reversal of 133505267899 is 998762505331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133505267899 - 2³ = 133505267891 is a prime.

It is not a weakly prime, because it can be changed into another prime (133505267891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66752633949 + 66752633950.

It is an arithmetic number, because the mean of its divisors is an integer number (66752633950).

Almost surely, 2^133505267899 is an apocalyptic number.

133505267899 is a deficient number, since it is larger than the sum of its proper divisors (1).

133505267899 is an equidigital number, since it uses as much as digits as its factorization.

133505267899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 133505267899 in words is "one hundred thirty-three billion, five hundred five million, two hundred sixty-seven thousand, eight hundred ninety-nine".