133828369 has 8 divisors (see below), whose sum is σ = 141952608. Its totient is φ = 125732160.

The previous prime is 133828367. The next prime is 133828391. The reversal of 133828369 is 963828331.

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 133828369 - 2¹ = 133828367 is a prime.

It is a super-2 number, since 2×133828369² = 35820064698400322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133828367) 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, 3274 + ... + 16684.

It is an arithmetic number, because the mean of its divisors is an integer number (17744076).

Almost surely, 2^133828369 is an apocalyptic number.

It is an amenable number.

133828369 is a deficient number, since it is larger than the sum of its proper divisors (8124239).

133828369 is a wasteful number, since it uses less digits than its factorization.

133828369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14015.

The product of its digits is 186624, while the sum is 43.

The square root of 133828369 is about 11568.4211973804. The cubic root of 133828369 is about 511.5044249068.

The spelling of 133828369 in words is "one hundred thirty-three million, eight hundred twenty-eight thousand, three hundred sixty-nine".