133879211 has 2 divisors, whose sum is σ = 133879212. Its totient is φ = 133879210.

The previous prime is 133879189. The next prime is 133879223. The reversal of 133879211 is 112978331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133879211 - 2⁶ = 133879147 is a prime.

It is a Chen prime.

It is equal to p_7585505 and since 133879211 and 7585505 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (133879241) 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, 66939605 + 66939606.

It is an arithmetic number, because the mean of its divisors is an integer number (66939606).

Almost surely, 2^133879211 is an apocalyptic number.

133879211 is a deficient number, since it is larger than the sum of its proper divisors (1).

133879211 is an equidigital number, since it uses as much as digits as its factorization.

133879211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 133879211 is about 11570.6184363672. The cubic root of 133879211 is about 511.5691909839.

The spelling of 133879211 in words is "one hundred thirty-three million, eight hundred seventy-nine thousand, two hundred eleven".