133079321 has 2 divisors, whose sum is σ = 133079322. Its totient is φ = 133079320.

The previous prime is 133079293. The next prime is 133079329. The reversal of 133079321 is 123970331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133079296 + 25 = 11536^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 133079321 - 2⁶ = 133079257 is a prime.

It is not a weakly prime, because it can be changed into another prime (133079329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66539660 + 66539661.

It is an arithmetic number, because the mean of its divisors is an integer number (66539661).

Almost surely, 2^133079321 is an apocalyptic number.

It is an amenable number.

133079321 is a deficient number, since it is larger than the sum of its proper divisors (1).

133079321 is an equidigital number, since it uses as much as digits as its factorization.

133079321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 133079321 is about 11536.0010835644. The cubic root of 133079321 is about 510.5483286157.

The spelling of 133079321 in words is "one hundred thirty-three million, seventy-nine thousand, three hundred twenty-one".