133489355 has 16 divisors (see below), whose sum is σ = 176986944. Its totient is φ = 96138240.

The previous prime is 133489337. The next prime is 133489397. The reversal of 133489355 is 553984331.

It is a happy number.

It is not a de Polignac number, because 133489355 - 2⁸ = 133489099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32186 + ... + 36095.

It is an arithmetic number, because the mean of its divisors is an integer number (11061684).

Almost surely, 2^133489355 is an apocalyptic number.

133489355 is a deficient number, since it is larger than the sum of its proper divisors (43497589).

133489355 is a wasteful number, since it uses less digits than its factorization.

133489355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68326.

The product of its digits is 194400, while the sum is 41.

The square root of 133489355 is about 11553.7593449059. The cubic root of 133489355 is about 511.0721453789.

The spelling of 133489355 in words is "one hundred thirty-three million, four hundred eighty-nine thousand, three hundred fifty-five".