199975354 has 8 divisors (see below), whose sum is σ = 302933268. Its totient is φ = 98997600.

The previous prime is 199975339. The next prime is 199975357. The reversal of 199975354 is 453579991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199572129 + 403225 = 14127^2 + 635^2 .

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

It is a super-3 number, since 3×199975354³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (199975357) 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 3 ways as a sum of consecutive naturals, for example, 494787 + ... + 495190.

Almost surely, 2^199975354 is an apocalyptic number.

199975354 is a deficient number, since it is larger than the sum of its proper divisors (102957914).

199975354 is a wasteful number, since it uses less digits than its factorization.

199975354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990080.

The product of its digits is 1530900, while the sum is 52.

The square root of 199975354 is about 14141.2642291982. The cubic root of 199975354 is about 584.7795248754.

The spelling of 199975354 in words is "one hundred ninety-nine million, nine hundred seventy-five thousand, three hundred fifty-four".