133301816 has 16 divisors (see below), whose sum is σ = 251035800. Its totient is φ = 66358944.

The previous prime is 133301809. The next prime is 133301821. The reversal of 133301816 is 618103331.

It is a happy number.

133301816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 34550 + ... + 38213.

Almost surely, 2^133301816 is an apocalyptic number.

It is an amenable number.

133301816 is a deficient number, since it is larger than the sum of its proper divisors (117733984).

133301816 is a wasteful number, since it uses less digits than its factorization.

133301816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72998 (or 72994 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 133301816 is about 11545.6405625673. The cubic root of 133301816 is about 510.8326983739.

The spelling of 133301816 in words is "one hundred thirty-three million, three hundred one thousand, eight hundred sixteen".