133103812 has 24 divisors (see below), whose sum is σ = 251887104. Its totient is φ = 61302912.

The previous prime is 133103779. The next prime is 133103821. The reversal of 133103812 is 218301331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17628 + ... + 24019.

It is an arithmetic number, because the mean of its divisors is an integer number (10495296).

Almost surely, 2^133103812 is an apocalyptic number.

It is an amenable number.

133103812 is a deficient number, since it is larger than the sum of its proper divisors (118783292).

133103812 is a wasteful number, since it uses less digits than its factorization.

133103812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41715 (or 41713 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 133103812 is about 11537.0625377520. The cubic root of 133103812 is about 510.5796459585.

The spelling of 133103812 in words is "one hundred thirty-three million, one hundred three thousand, eight hundred twelve".