199545130 has 16 divisors (see below), whose sum is σ = 359904384. Its totient is φ = 79657360.

The previous prime is 199545119. The next prime is 199545131. The reversal of 199545130 is 31545991.

It is a happy number.

199545130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 199545130.

It is not an unprimeable number, because it can be changed into a prime (199545131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14806 + ... + 24865.

It is an arithmetic number, because the mean of its divisors is an integer number (22494024).

Almost surely, 2^199545130 is an apocalyptic number.

199545130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199545130 is a deficient number, since it is larger than the sum of its proper divisors (160359254).

199545130 is a wasteful number, since it uses less digits than its factorization.

199545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40181.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 199545130 is about 14126.0443861684. The cubic root of 199545130 is about 584.3598617905.

The spelling of 199545130 in words is "one hundred ninety-nine million, five hundred forty-five thousand, one hundred thirty".