133310789 has 2 divisors, whose sum is σ = 133310790. Its totient is φ = 133310788.

The previous prime is 133310777. The next prime is 133310791. The reversal of 133310789 is 987013331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133217764 + 93025 = 11542^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 133310789 - 2⁴ = 133310773 is a prime.

Together with 133310791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133310729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655394 + 66655395.

It is an arithmetic number, because the mean of its divisors is an integer number (66655395).

Almost surely, 2^133310789 is an apocalyptic number.

It is an amenable number.

133310789 is a deficient number, since it is larger than the sum of its proper divisors (1).

133310789 is an equidigital number, since it uses as much as digits as its factorization.

133310789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 133310789 is about 11546.0291442556. The cubic root of 133310789 is about 510.8441600806.

The spelling of 133310789 in words is "one hundred thirty-three million, three hundred ten thousand, seven hundred eighty-nine".