199550136 has 32 divisors (see below), whose sum is σ = 499311360. Its totient is φ = 66458592.

The previous prime is 199550123. The next prime is 199550149. The reversal of 199550136 is 631055991.

It is an interprime number because it is at equal distance from previous prime (199550123) and next prime (199550149).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 199550094 and 199550103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31231 + ... + 37073.

It is an arithmetic number, because the mean of its divisors is an integer number (15603480).

Almost surely, 2^199550136 is an apocalyptic number.

It is an amenable number.

199550136 is an abundant number, since it is smaller than the sum of its proper divisors (299761224).

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

199550136 is a wasteful number, since it uses less digits than its factorization.

199550136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275 (or 7271 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 199550136 is about 14126.2215754957. The cubic root of 199550136 is about 584.3647483727.

The spelling of 199550136 in words is "one hundred ninety-nine million, five hundred fifty thousand, one hundred thirty-six".