133834228 has 18 divisors (see below), whose sum is σ = 257438258. Its totient is φ = 60833520.

The previous prime is 133834201. The next prime is 133834229. The reversal of 133834228 is 822438331.

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 5963364 = 11308^2 + 2442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133834193 and 133834202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133834229) by changing a digit.

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, 137775 + ... + 138742.

Almost surely, 2^133834228 is an apocalyptic number.

It is an amenable number.

133834228 is a deficient number, since it is larger than the sum of its proper divisors (123604030).

133834228 is a wasteful number, since it uses less digits than its factorization.

133834228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276543 (or 276530 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 133834228 is about 11568.6744270897. The cubic root of 133834228 is about 511.5118893448.

The spelling of 133834228 in words is "one hundred thirty-three million, eight hundred thirty-four thousand, two hundred twenty-eight".