133253197 has 12 divisors (see below), whose sum is σ = 169101216. Its totient is φ = 103833240.

The previous prime is 133253189. The next prime is 133253201. The reversal of 133253197 is 791352331.

It is a happy number.

It is not a de Polignac number, because 133253197 - 2³ = 133253189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133253167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123073 + ... + 124150.

It is an arithmetic number, because the mean of its divisors is an integer number (14091768).

Almost surely, 2^133253197 is an apocalyptic number.

It is an amenable number.

133253197 is a deficient number, since it is larger than the sum of its proper divisors (35848019).

133253197 is a wasteful number, since it uses less digits than its factorization.

133253197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247248 (or 247241 counting only the distinct ones).

The product of its digits is 17010, while the sum is 34.

The square root of 133253197 is about 11543.5348572264. The cubic root of 133253197 is about 510.7705857040.

The spelling of 133253197 in words is "one hundred thirty-three million, two hundred fifty-three thousand, one hundred ninety-seven".