199635136 has 28 divisors (see below), whose sum is σ = 399018760. Its totient is φ = 99095040.

The previous prime is 199635113. The next prime is 199635151. The reversal of 199635136 is 631536991.

It is a junction number, because it is equal to n+sod(n) for n = 199635092 and 199635101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325 + ... + 20116.

It is an arithmetic number, because the mean of its divisors is an integer number (14250670).

Almost surely, 2^199635136 is an apocalyptic number.

199635136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199635136 is a deficient number, since it is larger than the sum of its proper divisors (199383624).

199635136 is a wasteful number, since it uses less digits than its factorization.

199635136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22592 (or 22582 counting only the distinct ones).

The product of its digits is 131220, while the sum is 43.

The square root of 199635136 is about 14129.2298445457. The cubic root of 199635136 is about 584.4477082304.

The spelling of 199635136 in words is "one hundred ninety-nine million, six hundred thirty-five thousand, one hundred thirty-six".