133152628 has 12 divisors (see below), whose sum is σ = 266305312. Its totient is φ = 57065400.

The previous prime is 133152611. The next prime is 133152637. The reversal of 133152628 is 826251331.

133152628 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 133152628.

It is a congruent number.

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, 2377698 + ... + 2377753.

Almost surely, 2^133152628 is an apocalyptic number.

It is an amenable number.

133152628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133152628 is a wasteful number, since it uses less digits than its factorization.

133152628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755462 (or 4755460 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 133152628 is about 11539.1779603228. The cubic root of 133152628 is about 510.6420569173.

The spelling of 133152628 in words is "one hundred thirty-three million, one hundred fifty-two thousand, six hundred twenty-eight".