199486136 has 16 divisors (see below), whose sum is σ = 375119640. Its totient is φ = 99454240.

The previous prime is 199486121. The next prime is 199486169. The reversal of 199486136 is 631684991.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 33155 + ... + 38706.

Almost surely, 2^199486136 is an apocalyptic number.

It is an amenable number.

199486136 is a deficient number, since it is larger than the sum of its proper divisors (175633504).

199486136 is a wasteful number, since it uses less digits than its factorization.

199486136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72214 (or 72210 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 199486136 is about 14123.9561030187. The cubic root of 199486136 is about 584.3022689317.

The spelling of 199486136 in words is "one hundred ninety-nine million, four hundred eighty-six thousand, one hundred thirty-six".