300530140 has 24 divisors (see below), whose sum is σ = 643023360. Its totient is φ = 117943488.

The previous prime is 300530137. The next prime is 300530159. The reversal of 300530140 is 41035003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140700 + ... + 142819.

It is an arithmetic number, because the mean of its divisors is an integer number (26792640).

Almost surely, 2^300530140 is an apocalyptic number.

It is an amenable number.

300530140 is an abundant number, since it is smaller than the sum of its proper divisors (342493220).

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

300530140 is a wasteful number, since it uses less digits than its factorization.

300530140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283581 (or 283579 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 300530140 is about 17335.8051442672. The cubic root of 300530140 is about 669.8270437947.

Adding to 300530140 its reverse (41035003), we get a palindrome (341565143).

The spelling of 300530140 in words is "three hundred million, five hundred thirty thousand, one hundred forty".