133133516 has 24 divisors (see below), whose sum is σ = 239016960. Its totient is φ = 64855952.

The previous prime is 133133503. The next prime is 133133527. The reversal of 133133516 is 615331331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43451 + ... + 46413.

It is an arithmetic number, because the mean of its divisors is an integer number (9959040).

Almost surely, 2^133133516 is an apocalyptic number.

It is an amenable number.

133133516 is a deficient number, since it is larger than the sum of its proper divisors (105883444).

133133516 is a wasteful number, since it uses less digits than its factorization.

133133516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253 (or 3251 counting only the distinct ones).

The product of its digits is 2430, while the sum is 26.

The square root of 133133516 is about 11538.3497953564. The cubic root of 133133516 is about 510.6176241589.

Adding to 133133516 its reverse (615331331), we get a palindrome (748464847).

The spelling of 133133516 in words is "one hundred thirty-three million, one hundred thirty-three thousand, five hundred sixteen".