199134433 has 4 divisors (see below), whose sum is σ = 199534000. Its totient is φ = 198734868.

The previous prime is 199134427. The next prime is 199134443. The reversal of 199134433 is 334431991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334431991 = 653 ⋅512147.

It is a cyclic number.

It is not a de Polignac number, because 199134433 - 2⁵ = 199134401 is a prime.

It is the 14112-nd Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199134392 and 199134401.

It is not an unprimeable number, because it can be changed into a prime (199134443) by changing a digit.

It is a nontrivial repunit in base 14111.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199035 + ... + 200032.

It is an arithmetic number, because the mean of its divisors is an integer number (49883500).

Almost surely, 2^199134433 is an apocalyptic number.

It is an amenable number.

199134433 is a deficient number, since it is larger than the sum of its proper divisors (399567).

199134433 is an equidigital number, since it uses as much as digits as its factorization.

199134433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399566.

The product of its digits is 34992, while the sum is 37.

The square root of 199134433 is about 14111.5000265741. The cubic root of 199134433 is about 583.9586832361.

The spelling of 199134433 in words is "one hundred ninety-nine million, one hundred thirty-four thousand, four hundred thirty-three".