133666210859459 has 2 divisors, whose sum is σ = 133666210859460. Its totient is φ = 133666210859458.

The previous prime is 133666210859453. The next prime is 133666210859491. The reversal of 133666210859459 is 954958012666331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133666210859459 is a prime.

It is a super-4 number, since 4×133666210859459⁴ (a number of 58 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (133666210859453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66833105429729 + 66833105429730.

It is an arithmetic number, because the mean of its divisors is an integer number (66833105429730).

Almost surely, 2^{133666210859459} is an apocalyptic number.

133666210859459 is a deficient number, since it is larger than the sum of its proper divisors (1).

133666210859459 is an equidigital number, since it uses as much as digits as its factorization.

133666210859459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 251942400, while the sum is 68.

The spelling of 133666210859459 in words is "one hundred thirty-three trillion, six hundred sixty-six billion, two hundred ten million, eight hundred fifty-nine thousand, four hundred fifty-nine".