133500667 has 2 divisors, whose sum is σ = 133500668. Its totient is φ = 133500666.

The previous prime is 133500617. The next prime is 133500683. The reversal of 133500667 is 766005331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133500667 - 2¹¹ = 133498619 is a prime.

It is equal to p_7565350 and since 133500667 and 7565350 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (133500607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66750333 + 66750334.

It is an arithmetic number, because the mean of its divisors is an integer number (66750334).

Almost surely, 2^133500667 is an apocalyptic number.

133500667 is a deficient number, since it is larger than the sum of its proper divisors (1).

133500667 is an equidigital number, since it uses as much as digits as its factorization.

133500667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 133500667 is about 11554.2488721682. The cubic root of 133500667 is about 511.0865811986.

Adding to 133500667 its reverse (766005331), we get a palindrome (899505998).

The spelling of 133500667 in words is "one hundred thirty-three million, five hundred thousand, six hundred sixty-seven".