133590553 has 2 divisors, whose sum is σ = 133590554. Its totient is φ = 133590552.

The previous prime is 133590533. The next prime is 133590571. The reversal of 133590553 is 355095331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95804944 + 37785609 = 9788^2 + 6147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133590553 is a prime.

It is not a weakly prime, because it can be changed into another prime (133590533) 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, 66795276 + 66795277.

It is an arithmetic number, because the mean of its divisors is an integer number (66795277).

Almost surely, 2^133590553 is an apocalyptic number.

It is an amenable number.

133590553 is a deficient number, since it is larger than the sum of its proper divisors (1).

133590553 is an equidigital number, since it uses as much as digits as its factorization.

133590553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30375, while the sum is 34.

The square root of 133590553 is about 11558.1379555705. The cubic root of 133590553 is about 511.2012603309.

The spelling of 133590553 in words is "one hundred thirty-three million, five hundred ninety thousand, five hundred fifty-three".