133229308 has 12 divisors (see below), whose sum is σ = 238573720. Its totient is φ = 65065392.

The previous prime is 133229297. The next prime is 133229321. The reversal of 133229308 is 803922331.

It is a self number, because there is not a number n which added to its sum of digits gives 133229308.

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, 387123 + ... + 387466.

Almost surely, 2^133229308 is an apocalyptic number.

It is an amenable number.

133229308 is a deficient number, since it is larger than the sum of its proper divisors (105344412).

133229308 is a wasteful number, since it uses less digits than its factorization.

133229308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774636 (or 774634 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 133229308 is about 11542.5000758068. The cubic root of 133229308 is about 510.7400610386.

It can be divided in two parts, 133 and 229308, that added together give a square (229441 = 479²).

The spelling of 133229308 in words is "one hundred thirty-three million, two hundred twenty-nine thousand, three hundred eight".