133687108 has 12 divisors (see below), whose sum is σ = 234843840. Its totient is φ = 66588872.

The previous prime is 133687087. The next prime is 133687111. The reversal of 133687108 is 801786331.

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, 62488 + ... + 64591.

It is an arithmetic number, because the mean of its divisors is an integer number (19570320).

Almost surely, 2^133687108 is an apocalyptic number.

It is an amenable number.

133687108 is a deficient number, since it is larger than the sum of its proper divisors (101156732).

133687108 is a wasteful number, since it uses less digits than its factorization.

133687108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127346 (or 127344 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 133687108 is about 11562.3141282357. The cubic root of 133687108 is about 511.3243906712.

It can be divided in two parts, 133 and 687108, that added together give a square (687241 = 829²).

The spelling of 133687108 in words is "one hundred thirty-three million, six hundred eighty-seven thousand, one hundred eight".