299165138 has 8 divisors (see below), whose sum is σ = 448830588. Its totient is φ = 149554944.

The previous prime is 299165129. The next prime is 299165161. The reversal of 299165138 is 831561992.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 290123089 + 9042049 = 17033^2 + 3007^2 .

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, 4670 + ... + 24902.

Almost surely, 2^299165138 is an apocalyptic number.

299165138 is a deficient number, since it is larger than the sum of its proper divisors (149665450).

299165138 is a wasteful number, since it uses less digits than its factorization.

299165138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27628.

The product of its digits is 116640, while the sum is 44.

The square root of 299165138 is about 17296.3908952128. The cubic root of 299165138 is about 668.8113907831.

The spelling of 299165138 in words is "two hundred ninety-nine million, one hundred sixty-five thousand, one hundred thirty-eight".