133797533 has 2 divisors, whose sum is σ = 133797534. Its totient is φ = 133797532.

The previous prime is 133797529. The next prime is 133797551. The reversal of 133797533 is 335797331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118766404 + 15031129 = 10898^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 133797533 - 2² = 133797529 is a prime.

It is a super-3 number, since 3×133797533³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133797733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66898766 + 66898767.

It is an arithmetic number, because the mean of its divisors is an integer number (66898767).

Almost surely, 2^133797533 is an apocalyptic number.

It is an amenable number.

133797533 is a deficient number, since it is larger than the sum of its proper divisors (1).

133797533 is an equidigital number, since it uses as much as digits as its factorization.

133797533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 178605, while the sum is 41.

The square root of 133797533 is about 11567.0883544650. The cubic root of 133797533 is about 511.4651358728.

The spelling of 133797533 in words is "one hundred thirty-three million, seven hundred ninety-seven thousand, five hundred thirty-three".