133909108 has 12 divisors (see below), whose sum is σ = 237307840. Its totient is φ = 66106872.

The previous prime is 133909103. The next prime is 133909141. The reversal of 133909108 is 801909331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133909103) 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 3 ways as a sum of consecutive naturals, for example, 211566 + ... + 212197.

Almost surely, 2^133909108 is an apocalyptic number.

It is an amenable number.

133909108 is a deficient number, since it is larger than the sum of its proper divisors (103398732).

133909108 is a wasteful number, since it uses less digits than its factorization.

133909108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423846 (or 423844 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 133909108 is about 11571.9103003782. The cubic root of 133909108 is about 511.6072682070.

The spelling of 133909108 in words is "one hundred thirty-three million, nine hundred nine thousand, one hundred eight".