133169828 has 12 divisors (see below), whose sum is σ = 254233392. Its totient is φ = 60531720.

The previous prime is 133169809. The next prime is 133169837. The reversal of 133169828 is 828961331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513250 + ... + 1513337.

It is an arithmetic number, because the mean of its divisors is an integer number (21186116).

Almost surely, 2^133169828 is an apocalyptic number.

It is an amenable number.

133169828 is a deficient number, since it is larger than the sum of its proper divisors (121063564).

133169828 is a wasteful number, since it uses less digits than its factorization.

133169828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026602 (or 3026600 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 133169828 is about 11539.9232233148. The cubic root of 133169828 is about 510.6640433784.

It can be divided in two parts, 133 and 169828, that added together give a palindrome (169961).

The spelling of 133169828 in words is "one hundred thirty-three million, one hundred sixty-nine thousand, eight hundred twenty-eight".