133033379 has 2 divisors, whose sum is σ = 133033380. Its totient is φ = 133033378.

The previous prime is 133033361. The next prime is 133033423. The reversal of 133033379 is 973330331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133033379 - 2¹² = 133029283 is a prime.

It is not a weakly prime, because it can be changed into another prime (133033319) 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, 66516689 + 66516690.

It is an arithmetic number, because the mean of its divisors is an integer number (66516690).

Almost surely, 2^133033379 is an apocalyptic number.

133033379 is a deficient number, since it is larger than the sum of its proper divisors (1).

133033379 is an equidigital number, since it uses as much as digits as its factorization.

133033379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 32.

The square root of 133033379 is about 11534.0096670672. The cubic root of 133033379 is about 510.4895708994.

The spelling of 133033379 in words is "one hundred thirty-three million, thirty-three thousand, three hundred seventy-nine".