133356229 has 2 divisors, whose sum is σ = 133356230. Its totient is φ = 133356228.

The previous prime is 133356221. The next prime is 133356233. The reversal of 133356229 is 922653331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97476129 + 35880100 = 9873^2 + 5990^2 .

It is an emirp because it is prime and its reverse (922653331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133356229 - 2³ = 133356221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133356194 and 133356203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133356221) 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, 66678114 + 66678115.

It is an arithmetic number, because the mean of its divisors is an integer number (66678115).

Almost surely, 2^133356229 is an apocalyptic number.

It is an amenable number.

133356229 is a deficient number, since it is larger than the sum of its proper divisors (1).

133356229 is an equidigital number, since it uses as much as digits as its factorization.

133356229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 133356229 is about 11547.9967526840. The cubic root of 133356229 is about 510.9021951976.

The spelling of 133356229 in words is "one hundred thirty-three million, three hundred fifty-six thousand, two hundred twenty-nine".