133618804 has 24 divisors (see below), whose sum is σ = 263321856. Its totient is φ = 58776000.

The previous prime is 133618801. The next prime is 133618817. The reversal of 133618804 is 408816331.

It is a self number, because there is not a number n which added to its sum of digits gives 133618804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133618801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47617 + ... + 50344.

It is an arithmetic number, because the mean of its divisors is an integer number (10971744).

Almost surely, 2^133618804 is an apocalyptic number.

It is an amenable number.

133618804 is a deficient number, since it is larger than the sum of its proper divisors (129703052).

133618804 is a wasteful number, since it uses less digits than its factorization.

133618804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98007 (or 98005 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 133618804 is about 11559.3600168867. The cubic root of 133618804 is about 511.2372931405.

The spelling of 133618804 in words is "one hundred thirty-three million, six hundred eighteen thousand, eight hundred four".