133487404 has 6 divisors (see below), whose sum is σ = 233602964. Its totient is φ = 66743700.

The previous prime is 133487401. The next prime is 133487411. The reversal of 133487404 is 404784331.

It is a self number, because there is not a number n which added to its sum of digits gives 133487404.

It is not an unprimeable number, because it can be changed into a prime (133487401) by changing a digit.

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 as a sum of consecutive naturals, namely, 16685922 + ... + 16685929.

Almost surely, 2^133487404 is an apocalyptic number.

It is an amenable number.

133487404 is a deficient number, since it is larger than the sum of its proper divisors (100115560).

133487404 is a wasteful number, since it uses less digits than its factorization.

133487404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33371855 (or 33371853 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 133487404 is about 11553.6749132040. The cubic root of 133487404 is about 511.0696555259.

The spelling of 133487404 in words is "one hundred thirty-three million, four hundred eighty-seven thousand, four hundred four".