199951130 has 8 divisors (see below), whose sum is σ = 359912052. Its totient is φ = 79980448.

The previous prime is 199951069. The next prime is 199951211. The reversal of 199951130 is 31159991.

It is a happy number.

199951130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192071881 + 7879249 = 13859^2 + 2807^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9997547 + ... + 9997566.

Almost surely, 2^199951130 is an apocalyptic number.

199951130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199951130 is a deficient number, since it is larger than the sum of its proper divisors (159960922).

199951130 is a wasteful number, since it uses less digits than its factorization.

199951130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19995120.

The product of its (nonzero) digits is 10935, while the sum is 38.

The square root of 199951130 is about 14140.4077027503. The cubic root of 199951130 is about 584.7559115134.

The spelling of 199951130 in words is "one hundred ninety-nine million, nine hundred fifty-one thousand, one hundred thirty".