133852657 has 2 divisors, whose sum is σ = 133852658. Its totient is φ = 133852656.

The previous prime is 133852633. The next prime is 133852669. The reversal of 133852657 is 756258331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119443041 + 14409616 = 10929^2 + 3796^2 .

It is a cyclic number.

It is not a de Polignac number, because 133852657 - 2¹⁹ = 133328369 is a prime.

It is not a weakly prime, because it can be changed into another prime (133852627) 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, 66926328 + 66926329.

It is an arithmetic number, because the mean of its divisors is an integer number (66926329).

Almost surely, 2^133852657 is an apocalyptic number.

It is an amenable number.

133852657 is a deficient number, since it is larger than the sum of its proper divisors (1).

133852657 is an equidigital number, since it uses as much as digits as its factorization.

133852657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 133852657 is about 11569.4709040647. The cubic root of 133852657 is about 511.5353666971.

The spelling of 133852657 in words is "one hundred thirty-three million, eight hundred fifty-two thousand, six hundred fifty-seven".