133265087 has 2 divisors, whose sum is σ = 133265088. Its totient is φ = 133265086.

The previous prime is 133265039. The next prime is 133265089. The reversal of 133265087 is 780562331.

It is a strong prime.

It is an emirp because it is prime and its reverse (780562331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133265087 - 2¹² = 133260991 is a prime.

Together with 133265089, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_7552682 and since 133265087 and 7552682 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133265089) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66632543 + 66632544.

It is an arithmetic number, because the mean of its divisors is an integer number (66632544).

Almost surely, 2^133265087 is an apocalyptic number.

133265087 is a deficient number, since it is larger than the sum of its proper divisors (1).

133265087 is an equidigital number, since it uses as much as digits as its factorization.

133265087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 133265087 is about 11544.0498526297. The cubic root of 133265087 is about 510.7857770385.

The spelling of 133265087 in words is "one hundred thirty-three million, two hundred sixty-five thousand, eighty-seven".