133128322 has 8 divisors (see below), whose sum is σ = 206134272. Its totient is φ = 64416900.

The previous prime is 133128319. The next prime is 133128389. The reversal of 133128322 is 223821331.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1073554 + ... + 1073677.

It is an arithmetic number, because the mean of its divisors is an integer number (25766784).

Almost surely, 2^133128322 is an apocalyptic number.

133128322 is a deficient number, since it is larger than the sum of its proper divisors (73005950).

133128322 is a wasteful number, since it uses less digits than its factorization.

133128322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147264.

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

The square root of 133128322 is about 11538.1247176480. The cubic root of 133128322 is about 510.6109837513.

Adding to 133128322 its reverse (223821331), we get a palindrome (356949653).

The spelling of 133128322 in words is "one hundred thirty-three million, one hundred twenty-eight thousand, three hundred twenty-two".