133322553 has 24 divisors (see below), whose sum is σ = 237019328. Its totient is φ = 70323552.

The previous prime is 133322531. The next prime is 133322561. The reversal of 133322553 is 355223331.

It is not a de Polignac number, because 133322553 - 2¹² = 133318457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133322573) 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 in 23 ways as a sum of consecutive naturals, for example, 80575 + ... + 82212.

Almost surely, 2^133322553 is an apocalyptic number.

133322553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133322553 is a deficient number, since it is larger than the sum of its proper divisors (103696775).

133322553 is a wasteful number, since it uses less digits than its factorization.

133322553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162813 (or 162810 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 133322553 is about 11546.5385722302. The cubic root of 133322553 is about 510.8591861061.

Adding to 133322553 its reverse (355223331), we get a palindrome (488545884).

The spelling of 133322553 in words is "one hundred thirty-three million, three hundred twenty-two thousand, five hundred fifty-three".