133106572 has 6 divisors (see below), whose sum is σ = 232936508. Its totient is φ = 66553284.

The previous prime is 133106569. The next prime is 133106579. The reversal of 133106572 is 275601331.

It is a self number, because there is not a number n which added to its sum of digits gives 133106572.

It is not an unprimeable number, because it can be changed into a prime (133106579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16638318 + ... + 16638325.

Almost surely, 2^133106572 is an apocalyptic number.

It is an amenable number.

133106572 is a deficient number, since it is larger than the sum of its proper divisors (99829936).

133106572 is a wasteful number, since it uses less digits than its factorization.

133106572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33276647 (or 33276645 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 133106572 is about 11537.1821516348. The cubic root of 133106572 is about 510.5831750086.

The spelling of 133106572 in words is "one hundred thirty-three million, one hundred six thousand, five hundred seventy-two".