133620329 has 2 divisors, whose sum is σ = 133620330. Its totient is φ = 133620328.

The previous prime is 133620301. The next prime is 133620413. The reversal of 133620329 is 923026331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 24522304 = 10445^2 + 4952^2 .

It is an emirp because it is prime and its reverse (923026331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133620329 - 2²⁰ = 132571753 is a prime.

It is not a weakly prime, because it can be changed into another prime (133625329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66810164 + 66810165.

It is an arithmetic number, because the mean of its divisors is an integer number (66810165).

Almost surely, 2^133620329 is an apocalyptic number.

It is an amenable number.

133620329 is a deficient number, since it is larger than the sum of its proper divisors (1).

133620329 is an equidigital number, since it uses as much as digits as its factorization.

133620329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 133620329 is about 11559.4259805580. The cubic root of 133620329 is about 511.2392380611.

The spelling of 133620329 in words is "one hundred thirty-three million, six hundred twenty thousand, three hundred twenty-nine".