133088528 has 20 divisors (see below), whose sum is σ = 258798540. Its totient is φ = 66301824.

The previous prime is 133088509. The next prime is 133088551. The reversal of 133088528 is 825880331.

It can be written as a sum of positive squares in 2 ways, for example, as 87011584 + 46076944 = 9328^2 + 6788^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133088491 and 133088500.

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, 10583 + ... + 19446.

It is an arithmetic number, because the mean of its divisors is an integer number (12939927).

Almost surely, 2^133088528 is an apocalyptic number.

It is an amenable number.

133088528 is a deficient number, since it is larger than the sum of its proper divisors (125710012).

133088528 is a wasteful number, since it uses less digits than its factorization.

133088528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314 (or 30308 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 133088528 is about 11536.4001317569. The cubic root of 133088528 is about 510.5601023208.

The spelling of 133088528 in words is "one hundred thirty-three million, eighty-eight thousand, five hundred twenty-eight".