133828475 has 48 divisors (see below), whose sum is σ = 190300320. Its totient is φ = 92467200.

The previous prime is 133828441. The next prime is 133828477. The reversal of 133828475 is 574828331.

It is a de Polignac number, because none of the positive numbers 2^k-133828475 is a prime.

Its product of digits (161280) is a multiple of the sum of its prime divisors (315).

It is not an unprimeable number, because it can be changed into a prime (133828477) 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 47 ways as a sum of consecutive naturals, for example, 773489 + ... + 773661.

It is an arithmetic number, because the mean of its divisors is an integer number (3964590).

Almost surely, 2^133828475 is an apocalyptic number.

133828475 is a deficient number, since it is larger than the sum of its proper divisors (56471845).

133828475 is a wasteful number, since it uses less digits than its factorization.

133828475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 315 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 133828475 is about 11568.4257788171. The cubic root of 133828475 is about 511.5045599540.

The spelling of 133828475 in words is "one hundred thirty-three million, eight hundred twenty-eight thousand, four hundred seventy-five".