133384236 has 48 divisors (see below), whose sum is σ = 316673280. Its totient is φ = 43691200.

The previous prime is 133384231. The next prime is 133384249. The reversal of 133384236 is 632483331.

It is a junction number, because it is equal to n+sod(n) for n = 133384197 and 133384206.

It is not an unprimeable number, because it can be changed into a prime (133384231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202075 + ... + 202733.

It is an arithmetic number, because the mean of its divisors is an integer number (6597360).

Almost surely, 2^133384236 is an apocalyptic number.

It is an amenable number.

133384236 is an abundant number, since it is smaller than the sum of its proper divisors (183289044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133384236 is a wasteful number, since it uses less digits than its factorization.

133384236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 932 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 133384236 is about 11549.2093235857. The cubic root of 133384236 is about 510.9379586469.

The spelling of 133384236 in words is "one hundred thirty-three million, three hundred eighty-four thousand, two hundred thirty-six".