133275499 has 8 divisors (see below), whose sum is σ = 153713120. Its totient is φ = 113187456.

The previous prime is 133275491. The next prime is 133275509. The reversal of 133275499 is 994572331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133275499 - 2³ = 133275491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133275491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86574 + ... + 88099.

It is an arithmetic number, because the mean of its divisors is an integer number (19214140).

Almost surely, 2^133275499 is an apocalyptic number.

133275499 is a deficient number, since it is larger than the sum of its proper divisors (20437621).

133275499 is a wasteful number, since it uses less digits than its factorization.

133275499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174789.

The product of its digits is 204120, while the sum is 43.

The square root of 133275499 is about 11544.5008120750. The cubic root of 133275499 is about 510.7990792547.

The spelling of 133275499 in words is "one hundred thirty-three million, two hundred seventy-five thousand, four hundred ninety-nine".