133630708 has 24 divisors (see below), whose sum is σ = 243165440. Its totient is φ = 64186560.

The previous prime is 133630669. The next prime is 133630723. The reversal of 133630708 is 807036331.

It is a super-2 number, since 2×133630708² = 35714332241162528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 133630708.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13360 + ... + 21112.

Almost surely, 2^133630708 is an apocalyptic number.

It is an amenable number.

133630708 is a deficient number, since it is larger than the sum of its proper divisors (109534732).

133630708 is a wasteful number, since it uses less digits than its factorization.

133630708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927 (or 7925 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 133630708 is about 11559.8749128180. The cubic root of 133630708 is about 511.2524746066.

The spelling of 133630708 in words is "one hundred thirty-three million, six hundred thirty thousand, seven hundred eight".