199570135 has 8 divisors (see below), whose sum is σ = 240688800. Its totient is φ = 158853024.

The previous prime is 199570121. The next prime is 199570139. The reversal of 199570135 is 531075991.

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 199570135 - 2¹⁵ = 199537367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199570139) 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, 99292 + ... + 101281.

It is an arithmetic number, because the mean of its divisors is an integer number (30086100).

Almost surely, 2^199570135 is an apocalyptic number.

199570135 is a deficient number, since it is larger than the sum of its proper divisors (41118665).

199570135 is a wasteful number, since it uses less digits than its factorization.

199570135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200777.

The product of its (nonzero) digits is 42525, while the sum is 40.

The square root of 199570135 is about 14126.9294257457. The cubic root of 199570135 is about 584.3842694823.

The spelling of 199570135 in words is "one hundred ninety-nine million, five hundred seventy thousand, one hundred thirty-five".