300400136 has 16 divisors (see below), whose sum is σ = 564248700. Its totient is φ = 149933824.

The previous prime is 300400103. The next prime is 300400147. The reversal of 300400136 is 631004003.

It can be written as a sum of positive squares in 2 ways, for example, as 299497636 + 902500 = 17306^2 + 950^2 .

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, 28445 + ... + 37548.

Almost surely, 2^300400136 is an apocalyptic number.

It is an amenable number.

300400136 is a deficient number, since it is larger than the sum of its proper divisors (263848564).

300400136 is a wasteful number, since it uses less digits than its factorization.

300400136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66568 (or 66564 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 300400136 is about 17332.0551580013. The cubic root of 300400136 is about 669.7304447709.

Adding to 300400136 its reverse (631004003), we get a palindrome (931404139).

The spelling of 300400136 in words is "three hundred million, four hundred thousand, one hundred thirty-six".