304107138 has 12 divisors (see below), whose sum is σ = 658898838. Its totient is φ = 101369040.

The previous prime is 304107121. The next prime is 304107149. The reversal of 304107138 is 831701403.

It can be written as a sum of positive squares in only one way, i.e., 235100889 + 69006249 = 15333^2 + 8307^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8447403 + ... + 8447438.

Almost surely, 2^304107138 is an apocalyptic number.

304107138 is an abundant number, since it is smaller than the sum of its proper divisors (354791700).

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

304107138 is a wasteful number, since it uses less digits than its factorization.

304107138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16894849 (or 16894846 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 304107138 is about 17438.6678963733. The cubic root of 304107138 is about 672.4740622842.

The spelling of 304107138 in words is "three hundred four million, one hundred seven thousand, one hundred thirty-eight".