133210633 has 2 divisors, whose sum is σ = 133210634. Its totient is φ = 133210632.

The previous prime is 133210631. The next prime is 133210663. The reversal of 133210633 is 336012331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68359824 + 64850809 = 8268^2 + 8053^2 .

It is a cyclic number.

It is not a de Polignac number, because 133210633 - 2¹ = 133210631 is a prime.

Together with 133210631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (133210631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66605316 + 66605317.

It is an arithmetic number, because the mean of its divisors is an integer number (66605317).

Almost surely, 2^133210633 is an apocalyptic number.

It is an amenable number.

133210633 is a deficient number, since it is larger than the sum of its proper divisors (1).

133210633 is an equidigital number, since it uses as much as digits as its factorization.

133210633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 133210633 is about 11541.6910805999. The cubic root of 133210633 is about 510.7161961287.

Adding to 133210633 its reverse (336012331), we get a palindrome (469222964).

The spelling of 133210633 in words is "one hundred thirty-three million, two hundred ten thousand, six hundred thirty-three".