133343828 has 12 divisors (see below), whose sum is σ = 235533312. Its totient is φ = 66048600.

The previous prime is 133343807. The next prime is 133343839. The reversal of 133343828 is 828343331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155348 + ... + 156203.

It is an arithmetic number, because the mean of its divisors is an integer number (19627776).

Almost surely, 2^133343828 is an apocalyptic number.

It is an amenable number.

133343828 is a deficient number, since it is larger than the sum of its proper divisors (102189484).

133343828 is a wasteful number, since it uses less digits than its factorization.

133343828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311662 (or 311660 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 133343828 is about 11547.4598072477. The cubic root of 133343828 is about 510.8863581808.

The spelling of 133343828 in words is "one hundred thirty-three million, three hundred forty-three thousand, eight hundred twenty-eight".