133211417 has 2 divisors, whose sum is σ = 133211418. Its totient is φ = 133211416.

The previous prime is 133211399. The next prime is 133211437. The reversal of 133211417 is 714112331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 31685641 = 10076^2 + 5629^2 .

It is a cyclic number.

It is not a de Polignac number, because 133211417 - 2⁸ = 133211161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133211392 and 133211401.

It is not a weakly prime, because it can be changed into another prime (133211437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66605708 + 66605709.

It is an arithmetic number, because the mean of its divisors is an integer number (66605709).

Almost surely, 2^133211417 is an apocalyptic number.

It is an amenable number.

133211417 is a deficient number, since it is larger than the sum of its proper divisors (1).

133211417 is an equidigital number, since it uses as much as digits as its factorization.

133211417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 133211417 is about 11541.7250443770. The cubic root of 133211417 is about 510.7171980525.

Adding to 133211417 its reverse (714112331), we get a palindrome (847323748).

The spelling of 133211417 in words is "one hundred thirty-three million, two hundred eleven thousand, four hundred seventeen".