198134383 has 2 divisors, whose sum is σ = 198134384. Its totient is φ = 198134382.

The previous prime is 198134359. The next prime is 198134429. The reversal of 198134383 is 383431891.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198134383 is a prime.

It is a super-3 number, since 3×198134383³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198134683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99067191 + 99067192.

It is an arithmetic number, because the mean of its divisors is an integer number (99067192).

Almost surely, 2^198134383 is an apocalyptic number.

198134383 is a deficient number, since it is larger than the sum of its proper divisors (1).

198134383 is an equidigital number, since it uses as much as digits as its factorization.

198134383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 198134383 is about 14076.0215615066. The cubic root of 198134383 is about 582.9794984685.

The spelling of 198134383 in words is "one hundred ninety-eight million, one hundred thirty-four thousand, three hundred eighty-three".