199125694 has 8 divisors (see below), whose sum is σ = 299177640. Its totient is φ = 99399816.

The previous prime is 199125691. The next prime is 199125727. The reversal of 199125694 is 496521991.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199125691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79984 + ... + 82435.

It is an arithmetic number, because the mean of its divisors is an integer number (37397205).

Almost surely, 2^199125694 is an apocalyptic number.

199125694 is a deficient number, since it is larger than the sum of its proper divisors (100051946).

199125694 is a wasteful number, since it uses less digits than its factorization.

199125694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163034.

The product of its digits is 174960, while the sum is 46.

The square root of 199125694 is about 14111.1903821046. The cubic root of 199125694 is about 583.9501407831.

The spelling of 199125694 in words is "one hundred ninety-nine million, one hundred twenty-five thousand, six hundred ninety-four".