133924172 has 12 divisors (see below), whose sum is σ = 235008480. Its totient is φ = 66778896.

The previous prime is 133924171. The next prime is 133924177. The reversal of 133924172 is 271429331.

It is not an unprimeable number, because it can be changed into a prime (133924171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44147 + ... + 47082.

It is an arithmetic number, because the mean of its divisors is an integer number (19584040).

Almost surely, 2^133924172 is an apocalyptic number.

It is an amenable number.

133924172 is a deficient number, since it is larger than the sum of its proper divisors (101084308).

133924172 is a wasteful number, since it uses less digits than its factorization.

133924172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91600 (or 91598 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 133924172 is about 11572.5611685573. The cubic root of 133924172 is about 511.6264517737.

The spelling of 133924172 in words is "one hundred thirty-three million, nine hundred twenty-four thousand, one hundred seventy-two".