133284475 has 6 divisors (see below), whose sum is σ = 165272780. Its totient is φ = 106627560.

The previous prime is 133284439. The next prime is 133284643. The reversal of 133284475 is 574482331.

It is a happy number.

It is not a de Polignac number, because 133284475 - 2²¹ = 131187323 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 2665665 + ... + 2665714.

Almost surely, 2^133284475 is an apocalyptic number.

133284475 is a deficient number, since it is larger than the sum of its proper divisors (31988305).

133284475 is an equidigital number, since it uses as much as digits as its factorization.

133284475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331389 (or 5331384 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 133284475 is about 11544.8895620530. The cubic root of 133284475 is about 510.8105463027.

The spelling of 133284475 in words is "one hundred thirty-three million, two hundred eighty-four thousand, four hundred seventy-five".