133464917 has 2 divisors, whose sum is σ = 133464918. Its totient is φ = 133464916.

The previous prime is 133464901. The next prime is 133464937. The reversal of 133464917 is 719464331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125574436 + 7890481 = 11206^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 133464917 - 2⁴ = 133464901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133464937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66732458 + 66732459.

It is an arithmetic number, because the mean of its divisors is an integer number (66732459).

Almost surely, 2^133464917 is an apocalyptic number.

It is an amenable number.

133464917 is a deficient number, since it is larger than the sum of its proper divisors (1).

133464917 is an equidigital number, since it uses as much as digits as its factorization.

133464917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 133464917 is about 11552.7017186457. The cubic root of 133464917 is about 511.0409560172.

The spelling of 133464917 in words is "one hundred thirty-three million, four hundred sixty-four thousand, nine hundred seventeen".