133001329 has 2 divisors, whose sum is σ = 133001330. Its totient is φ = 133001328.

The previous prime is 133001299. The next prime is 133001369. The reversal of 133001329 is 923100331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132871729 + 129600 = 11527^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 133001329 - 2¹⁹ = 132477041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133001369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66500664 + 66500665.

It is an arithmetic number, because the mean of its divisors is an integer number (66500665).

Almost surely, 2^133001329 is an apocalyptic number.

It is an amenable number.

133001329 is a deficient number, since it is larger than the sum of its proper divisors (1).

133001329 is an equidigital number, since it uses as much as digits as its factorization.

133001329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 133001329 is about 11532.6202139843. The cubic root of 133001329 is about 510.4485724047.

The spelling of 133001329 in words is "one hundred thirty-three million, one thousand, three hundred twenty-nine".