133533475 has 6 divisors (see below), whose sum is σ = 165581540. Its totient is φ = 106826760.

The previous prime is 133533473. The next prime is 133533493. The reversal of 133533475 is 574335331.

It is not a de Polignac number, because 133533475 - 2¹ = 133533473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133533475.

It is not an unprimeable number, because it can be changed into a prime (133533473) 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 5 ways as a sum of consecutive naturals, for example, 2670645 + ... + 2670694.

Almost surely, 2^133533475 is an apocalyptic number.

133533475 is a deficient number, since it is larger than the sum of its proper divisors (32048065).

133533475 is an equidigital number, since it uses as much as digits as its factorization.

133533475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341349 (or 5341344 counting only the distinct ones).

The product of its digits is 56700, while the sum is 34.

The square root of 133533475 is about 11555.6685224179. The cubic root of 133533475 is about 511.1284445480.

The spelling of 133533475 in words is "one hundred thirty-three million, five hundred thirty-three thousand, four hundred seventy-five".