133226117 has 2 divisors, whose sum is σ = 133226118. Its totient is φ = 133226116.

The previous prime is 133226113. The next prime is 133226131. The reversal of 133226117 is 711622331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132687361 + 538756 = 11519^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 133226117 - 2² = 133226113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133226113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66613058 + 66613059.

It is an arithmetic number, because the mean of its divisors is an integer number (66613059).

Almost surely, 2^133226117 is an apocalyptic number.

It is an amenable number.

133226117 is a deficient number, since it is larger than the sum of its proper divisors (1).

133226117 is an equidigital number, since it uses as much as digits as its factorization.

133226117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 133226117 is about 11542.3618466932. The cubic root of 133226117 is about 510.7359833959.

Adding to 133226117 its reverse (711622331), we get a palindrome (844848448).

The spelling of 133226117 in words is "one hundred thirty-three million, two hundred twenty-six thousand, one hundred seventeen".