133357197 has 24 divisors (see below), whose sum is σ = 196850304. Its totient is φ = 80020864.

The previous prime is 133357183. The next prime is 133357199. The reversal of 133357197 is 791753331.

It is not a de Polignac number, because 133357197 - 2⁷ = 133357069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133357199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24508 + ... + 29450.

It is an arithmetic number, because the mean of its divisors is an integer number (8202096).

Almost surely, 2^133357197 is an apocalyptic number.

133357197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

133357197 is a deficient number, since it is larger than the sum of its proper divisors (63493107).

133357197 is a wasteful number, since it uses less digits than its factorization.

133357197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 4986 counting only the distinct ones).

The product of its digits is 59535, while the sum is 39.

The square root of 133357197 is about 11548.0386646391. The cubic root of 133357197 is about 510.9034313657.

The spelling of 133357197 in words is "one hundred thirty-three million, three hundred fifty-seven thousand, one hundred ninety-seven".