133023133 has 2 divisors, whose sum is σ = 133023134. Its totient is φ = 133023132.

The previous prime is 133023131. The next prime is 133023151. The reversal of 133023133 is 331320331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102353689 + 30669444 = 10117^2 + 5538^2 .

It is a cyclic number.

It is not a de Polignac number, because 133023133 - 2¹ = 133023131 is a prime.

Together with 133023131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133023133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133023131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66511566 + 66511567.

It is an arithmetic number, because the mean of its divisors is an integer number (66511567).

Almost surely, 2^133023133 is an apocalyptic number.

It is an amenable number.

133023133 is a deficient number, since it is larger than the sum of its proper divisors (1).

133023133 is an equidigital number, since it uses as much as digits as its factorization.

133023133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 133023133 is about 11533.5654938098. The cubic root of 133023133 is about 510.4764648893.

Adding to 133023133 its reverse (331320331), we get a palindrome (464343464).

The spelling of 133023133 in words is "one hundred thirty-three million, twenty-three thousand, one hundred thirty-three".