133189321879 has 2 divisors, whose sum is σ = 133189321880. Its totient is φ = 133189321878.

The previous prime is 133189321849. The next prime is 133189321883. The reversal of 133189321879 is 978123981331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133189321879 - 2⁷ = 133189321751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133189321849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66594660939 + 66594660940.

It is an arithmetic number, because the mean of its divisors is an integer number (66594660940).

Almost surely, 2^133189321879 is an apocalyptic number.

133189321879 is a deficient number, since it is larger than the sum of its proper divisors (1).

133189321879 is an equidigital number, since it uses as much as digits as its factorization.

133189321879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The spelling of 133189321879 in words is "one hundred thirty-three billion, one hundred eighty-nine million, three hundred twenty-one thousand, eight hundred seventy-nine".