133240567 has 2 divisors, whose sum is σ = 133240568. Its totient is φ = 133240566.

The previous prime is 133240537. The next prime is 133240571. The reversal of 133240567 is 765042331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133240567 - 2⁷ = 133240439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133240537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66620283 + 66620284.

It is an arithmetic number, because the mean of its divisors is an integer number (66620284).

Almost surely, 2^133240567 is an apocalyptic number.

133240567 is a deficient number, since it is larger than the sum of its proper divisors (1).

133240567 is an equidigital number, since it uses as much as digits as its factorization.

133240567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 133240567 is about 11542.9877847982. The cubic root of 133240567 is about 510.7544479141.

Adding to 133240567 its reverse (765042331), we get a palindrome (898282898).

The spelling of 133240567 in words is "one hundred thirty-three million, two hundred forty thousand, five hundred sixty-seven".