133303087 has 2 divisors, whose sum is σ = 133303088. Its totient is φ = 133303086.

The previous prime is 133303081. The next prime is 133303091. The reversal of 133303087 is 780303331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133303087 - 2⁷ = 133302959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133303081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66651543 + 66651544.

It is an arithmetic number, because the mean of its divisors is an integer number (66651544).

Almost surely, 2^133303087 is an apocalyptic number.

133303087 is a deficient number, since it is larger than the sum of its proper divisors (1).

133303087 is an equidigital number, since it uses as much as digits as its factorization.

133303087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 133303087 is about 11545.6956048564. The cubic root of 133303087 is about 510.8343219234.

The spelling of 133303087 in words is "one hundred thirty-three million, three hundred three thousand, eighty-seven".