133434193 has 4 divisors (see below), whose sum is σ = 133466788. Its totient is φ = 133401600.

The previous prime is 133434187. The next prime is 133434211. The reversal of 133434193 is 391434331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391434331 = 8429 ⋅46439.

It can be written as a sum of positive squares in 2 ways, for example, as 32069569 + 101364624 = 5663^2 + 10068^2 .

It is a cyclic number.

It is not a de Polignac number, because 133434193 - 2⁹ = 133433681 is a prime.

It is a super-2 number, since 2×133434193² = 35609367723122498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133434163) 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, 9096 + ... + 18697.

It is an arithmetic number, because the mean of its divisors is an integer number (33366697).

Almost surely, 2^133434193 is an apocalyptic number.

It is an amenable number.

133434193 is a deficient number, since it is larger than the sum of its proper divisors (32595).

133434193 is an equidigital number, since it uses as much as digits as its factorization.

133434193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32594.

The product of its digits is 11664, while the sum is 31.

The square root of 133434193 is about 11551.3719098642. The cubic root of 133434193 is about 511.0017386516.

The spelling of 133434193 in words is "one hundred thirty-three million, four hundred thirty-four thousand, one hundred ninety-three".