199320126 has 16 divisors (see below), whose sum is σ = 398890128. Its totient is φ = 66398400.

The previous prime is 199320071. The next prime is 199320133. The reversal of 199320126 is 621023991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 19986.

It is an arithmetic number, because the mean of its divisors is an integer number (24930633).

Almost surely, 2^199320126 is an apocalyptic number.

199320126 is an abundant number, since it is smaller than the sum of its proper divisors (199570002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199320126 is a wasteful number, since it uses less digits than its factorization.

199320126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 199320126 is about 14118.0779853350. The cubic root of 199320126 is about 584.1401408067.

The spelling of 199320126 in words is "one hundred ninety-nine million, three hundred twenty thousand, one hundred twenty-six".