300139369 has 4 divisors (see below), whose sum is σ = 317794644. Its totient is φ = 282484096.

The previous prime is 300139363. The next prime is 300139373. The reversal of 300139369 is 963931003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274332969 + 25806400 = 16563^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 300139369 - 2³ = 300139361 is a prime.

It is a super-2 number, since 2×300139369² = 180167281647436322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300139361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8827612 + ... + 8827645.

It is an arithmetic number, because the mean of its divisors is an integer number (79448661).

Almost surely, 2^300139369 is an apocalyptic number.

It is an amenable number.

300139369 is a deficient number, since it is larger than the sum of its proper divisors (17655275).

300139369 is a wasteful number, since it uses less digits than its factorization.

300139369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17655274.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 300139369 is about 17324.5308450186. The cubic root of 300139369 is about 669.5365987010.

The spelling of 300139369 in words is "three hundred million, one hundred thirty-nine thousand, three hundred sixty-nine".