199135495 has 16 divisors (see below), whose sum is σ = 268535232. Its totient is φ = 140659200.

The previous prime is 199135481. The next prime is 199135499. The reversal of 199135495 is 594531991.

It is a happy number.

It is not a de Polignac number, because 199135495 - 2⁵ = 199135463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199135499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65106 + ... + 68095.

It is an arithmetic number, because the mean of its divisors is an integer number (16783452).

Almost surely, 2^199135495 is an apocalyptic number.

199135495 is a deficient number, since it is larger than the sum of its proper divisors (69399737).

199135495 is a wasteful number, since it uses less digits than its factorization.

199135495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133242.

The product of its digits is 218700, while the sum is 46.

The square root of 199135495 is about 14111.5376554081. The cubic root of 199135495 is about 583.9597213338.

The spelling of 199135495 in words is "one hundred ninety-nine million, one hundred thirty-five thousand, four hundred ninety-five".