199150694 has 8 divisors (see below), whose sum is σ = 306012168. Its totient is φ = 97146640.

The previous prime is 199150681. The next prime is 199150709. The reversal of 199150694 is 496051991.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214252 + ... + 1214415.

It is an arithmetic number, because the mean of its divisors is an integer number (38251521).

Almost surely, 2^199150694 is an apocalyptic number.

199150694 is a deficient number, since it is larger than the sum of its proper divisors (106861474).

199150694 is a wasteful number, since it uses less digits than its factorization.

199150694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428710.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 199150694 is about 14112.0761760983. The cubic root of 199150694 is about 583.9745778481.

The spelling of 199150694 in words is "one hundred ninety-nine million, one hundred fifty thousand, six hundred ninety-four".