199406126 has 16 divisors (see below), whose sum is σ = 302536080. Its totient is φ = 98565120.

The previous prime is 199406111. The next prime is 199406153. The reversal of 199406126 is 621604991.

It is a self number, because there is not a number n which added to its sum of digits gives 199406126.

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, 139025 + ... + 140451.

It is an arithmetic number, because the mean of its divisors is an integer number (18908505).

Almost surely, 2^199406126 is an apocalyptic number.

199406126 is a deficient number, since it is larger than the sum of its proper divisors (103129954).

199406126 is a wasteful number, since it uses less digits than its factorization.

199406126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 199406126 is about 14121.1233972372. The cubic root of 199406126 is about 584.2241410693.

The spelling of 199406126 in words is "one hundred ninety-nine million, four hundred six thousand, one hundred twenty-six".