199138962 has 32 divisors (see below), whose sum is σ = 457355520. Its totient is φ = 57168720.

The previous prime is 199138937. The next prime is 199138987. The reversal of 199138962 is 269831991.

It is an interprime number because it is at equal distance from previous prime (199138937) and next prime (199138987).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78148 + ... + 80655.

It is an arithmetic number, because the mean of its divisors is an integer number (14292360).

Almost surely, 2^199138962 is an apocalyptic number.

199138962 is an abundant number, since it is smaller than the sum of its proper divisors (258216558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199138962 is a wasteful number, since it uses less digits than its factorization.

199138962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158838.

The product of its digits is 209952, while the sum is 48.

The square root of 199138962 is about 14111.6604976169. The cubic root of 199138962 is about 583.9631102769.

The spelling of 199138962 in words is "one hundred ninety-nine million, one hundred thirty-eight thousand, nine hundred sixty-two".