133775473 has 8 divisors (see below), whose sum is σ = 145466048. Its totient is φ = 122284944.

The previous prime is 133775459. The next prime is 133775503. The reversal of 133775473 is 374577331.

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 133775473 - 2⁹ = 133774961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133775273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48615 + ... + 51292.

It is an arithmetic number, because the mean of its divisors is an integer number (18183256).

Almost surely, 2^133775473 is an apocalyptic number.

133775473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133775473 is a deficient number, since it is larger than the sum of its proper divisors (11690575).

133775473 is a wasteful number, since it uses less digits than its factorization.

133775473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100023.

The product of its digits is 185220, while the sum is 40.

The square root of 133775473 is about 11566.1347476156. The cubic root of 133775473 is about 511.4370248885.

The spelling of 133775473 in words is "one hundred thirty-three million, seven hundred seventy-five thousand, four hundred seventy-three".