305663330136 has 32 divisors (see below), whose sum is σ = 764177653440. Its totient is φ = 101885199648.

The previous prime is 305663330107. The next prime is 305663330143. The reversal of 305663330136 is 631033366503.

It is a junction number, because it is equal to n+sod(n) for n = 305663330094 and 305663330103.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 969535 + ... + 1245521.

It is an arithmetic number, because the mean of its divisors is an integer number (23880551670).

Almost surely, 2^305663330136 is an apocalyptic number.

It is an amenable number.

305663330136 is an abundant number, since it is smaller than the sum of its proper divisors (458514323304).

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

305663330136 is a wasteful number, since it uses less digits than its factorization.

305663330136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322143 (or 322139 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 39.

Adding to 305663330136 its reverse (631033366503), we get a palindrome (936696696639).

The spelling of 305663330136 in words is "three hundred five billion, six hundred sixty-three million, three hundred thirty thousand, one hundred thirty-six".