133130824 has 16 divisors (see below), whose sum is σ = 249991920. Its totient is φ = 66466320.

The previous prime is 133130783. The next prime is 133130843. The reversal of 133130824 is 428031331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6514 + ... + 17569.

It is an arithmetic number, because the mean of its divisors is an integer number (15624495).

Almost surely, 2^133130824 is an apocalyptic number.

It is an amenable number.

133130824 is a deficient number, since it is larger than the sum of its proper divisors (116861096).

133130824 is a wasteful number, since it uses less digits than its factorization.

133130824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24780 (or 24776 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 133130824 is about 11538.2331403036. The cubic root of 133130824 is about 510.6141825214.

The spelling of 133130824 in words is "one hundred thirty-three million, one hundred thirty thousand, eight hundred twenty-four".