133195193 has 2 divisors, whose sum is σ = 133195194. Its totient is φ = 133195192.

The previous prime is 133195177. The next prime is 133195199. The reversal of 133195193 is 391591331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125731369 + 7463824 = 11213^2 + 2732^2 .

It is an emirp because it is prime and its reverse (391591331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133195193 - 2⁴ = 133195177 is a prime.

It is not a weakly prime, because it can be changed into another prime (133195199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66597596 + 66597597.

It is an arithmetic number, because the mean of its divisors is an integer number (66597597).

Almost surely, 2^133195193 is an apocalyptic number.

It is an amenable number.

133195193 is a deficient number, since it is larger than the sum of its proper divisors (1).

133195193 is an equidigital number, since it uses as much as digits as its factorization.

133195193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935, while the sum is 35.

The square root of 133195193 is about 11541.0221817654. The cubic root of 133195193 is about 510.6964635628.

The spelling of 133195193 in words is "one hundred thirty-three million, one hundred ninety-five thousand, one hundred ninety-three".