133116232 has 64 divisors (see below), whose sum is σ = 269222400. Its totient is φ = 61585920.

The previous prime is 133116229. The next prime is 133116287. The reversal of 133116232 is 232611331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816583 + ... + 816745.

It is an arithmetic number, because the mean of its divisors is an integer number (4206600).

Almost surely, 2^133116232 is an apocalyptic number.

It is an amenable number.

133116232 is an abundant number, since it is smaller than the sum of its proper divisors (136106168).

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

133116232 is a wasteful number, since it uses less digits than its factorization.

133116232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 322 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 133116232 is about 11537.6007904590. The cubic root of 133116232 is about 510.5955263000.

Adding to 133116232 its reverse (232611331), we get a palindrome (365727563).

The spelling of 133116232 in words is "one hundred thirty-three million, one hundred sixteen thousand, two hundred thirty-two".