133585451 has 2 divisors, whose sum is σ = 133585452. Its totient is φ = 133585450.

The previous prime is 133585411. The next prime is 133585453. The reversal of 133585451 is 154585331.

It is a strong prime.

It is an emirp because it is prime and its reverse (154585331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133585451 - 2¹⁴ = 133569067 is a prime.

It is a Sophie Germain prime.

Together with 133585453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133585453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66792725 + 66792726.

It is an arithmetic number, because the mean of its divisors is an integer number (66792726).

Almost surely, 2^133585451 is an apocalyptic number.

133585451 is a deficient number, since it is larger than the sum of its proper divisors (1).

133585451 is an equidigital number, since it uses as much as digits as its factorization.

133585451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 35.

The square root of 133585451 is about 11557.9172431715. The cubic root of 133585451 is about 511.1947524305.

The spelling of 133585451 in words is "one hundred thirty-three million, five hundred eighty-five thousand, four hundred fifty-one".