199436135 has 8 divisors (see below), whose sum is σ = 242207280. Its totient is φ = 157626304.

The previous prime is 199436131. The next prime is 199436137. The reversal of 199436135 is 531634991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199436135 - 2² = 199436131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199436092 and 199436101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199436131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 239870 + ... + 240699.

It is an arithmetic number, because the mean of its divisors is an integer number (30275910).

Almost surely, 2^199436135 is an apocalyptic number.

199436135 is a deficient number, since it is larger than the sum of its proper divisors (42771145).

199436135 is an equidigital number, since it uses as much as digits as its factorization.

199436135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480657.

The product of its digits is 87480, while the sum is 41.

The square root of 199436135 is about 14122.1859143689. The cubic root of 199436135 is about 584.2534465930.

The spelling of 199436135 in words is "one hundred ninety-nine million, four hundred thirty-six thousand, one hundred thirty-five".