133357198 has 16 divisors (see below), whose sum is σ = 216016416. Its totient is φ = 61380000.

The previous prime is 133357183. The next prime is 133357199. The reversal of 133357198 is 891753331.

It is a super-2 number, since 2×133357198² = 35568284516822408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133357198.

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 7 ways as a sum of consecutive naturals, for example, 2823 + ... + 16573.

It is an arithmetic number, because the mean of its divisors is an integer number (13501026).

Almost surely, 2^133357198 is an apocalyptic number.

133357198 is a deficient number, since it is larger than the sum of its proper divisors (82659218).

133357198 is a wasteful number, since it uses less digits than its factorization.

133357198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139.

The product of its digits is 68040, while the sum is 40.

The square root of 133357198 is about 11548.0387079365. The cubic root of 133357198 is about 510.9034326427.

The spelling of 133357198 in words is "one hundred thirty-three million, three hundred fifty-seven thousand, one hundred ninety-eight".