133038504 has 32 divisors (see below), whose sum is σ = 369552000. Its totient is φ = 44346096.

The previous prime is 133038487. The next prime is 133038527. The reversal of 133038504 is 405830331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 307744 + ... + 308175.

It is an arithmetic number, because the mean of its divisors is an integer number (11548500).

Almost surely, 2^133038504 is an apocalyptic number.

It is an amenable number.

133038504 is an abundant number, since it is smaller than the sum of its proper divisors (236513496).

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

133038504 is a wasteful number, since it uses less digits than its factorization.

133038504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615934 (or 615924 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 133038504 is about 11534.2318339801. The cubic root of 133038504 is about 510.4961262102.

Adding to 133038504 its reverse (405830331), we get a palindrome (538868835).

The spelling of 133038504 in words is "one hundred thirty-three million, thirty-eight thousand, five hundred four".