305107136 has 14 divisors (see below), whose sum is σ = 605447100. Its totient is φ = 152553536.

The previous prime is 305107133. The next prime is 305107139. The reversal of 305107136 is 631701503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (305107133) and next prime (305107139).

It is not an unprimeable number, because it can be changed into a prime (305107133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2383586 + ... + 2383713.

Almost surely, 2^305107136 is an apocalyptic number.

It is an amenable number.

305107136 is a deficient number, since it is larger than the sum of its proper divisors (300339964).

305107136 is an equidigital number, since it uses as much as digits as its factorization.

305107136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767311 (or 4767301 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 305107136 is about 17467.3162220188. The cubic root of 305107136 is about 673.2103564799.

Adding to 305107136 its reverse (631701503), we get a palindrome (936808639).

The spelling of 305107136 in words is "three hundred five million, one hundred seven thousand, one hundred thirty-six".