199136983 has 2 divisors, whose sum is σ = 199136984. Its totient is φ = 199136982.

The previous prime is 199136981. The next prime is 199136989. The reversal of 199136983 is 389631991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199136983 - 2¹ = 199136981 is a prime.

Together with 199136981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199136981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99568491 + 99568492.

It is an arithmetic number, because the mean of its divisors is an integer number (99568492).

Almost surely, 2^199136983 is an apocalyptic number.

199136983 is a deficient number, since it is larger than the sum of its proper divisors (1).

199136983 is an equidigital number, since it uses as much as digits as its factorization.

199136983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The square root of 199136983 is about 14111.5903781254. The cubic root of 199136983 is about 583.9611758374.

It can be divided in two parts, 19913 and 6983, that added together give a square (26896 = 164²).

The spelling of 199136983 in words is "one hundred ninety-nine million, one hundred thirty-six thousand, nine hundred eighty-three".