133322309 has 16 divisors (see below), whose sum is σ = 141937920. Its totient is φ = 125032320.

The previous prime is 133322269. The next prime is 133322333. The reversal of 133322309 is 903223331.

133322309 = T₁₇₀₇ + T₁₇₀₈ + ... + T₁₇₉₃.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133322309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133322339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149864 + ... + 150750.

It is an arithmetic number, because the mean of its divisors is an integer number (8871120).

Almost surely, 2^133322309 is an apocalyptic number.

It is an amenable number.

133322309 is a deficient number, since it is larger than the sum of its proper divisors (8615611).

133322309 is an equidigital number, since it uses as much as digits as its factorization.

133322309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 133322309 is about 11546.5280062883. The cubic root of 133322309 is about 510.8588744566.

The spelling of 133322309 in words is "one hundred thirty-three million, three hundred twenty-two thousand, three hundred nine".