300015015138 has 12 divisors (see below), whose sum is σ = 650032532838. Its totient is φ = 100005005040.

The previous prime is 300015015109. The next prime is 300015015233. The reversal of 300015015138 is 831510510003.

It can be written as a sum of positive squares in only one way, i.e., 204201860769 + 95813154369 = 451887^2 + 309537^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8333750403 + ... + 8333750438.

Almost surely, 2^300015015138 is an apocalyptic number.

300015015138 is an abundant number, since it is smaller than the sum of its proper divisors (350017517700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300015015138 is a wasteful number, since it uses less digits than its factorization.

300015015138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667500849 (or 16667500846 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 300015015138 in words is "three hundred billion, fifteen million, fifteen thousand, one hundred thirty-eight".