2305135816 has 32 divisors (see below), whose sum is σ = 4478291640. Its totient is φ = 1111477248.

The previous prime is 2305135813. The next prime is 2305135823. The reversal of 2305135816 is 6185315032.

It can be written as a sum of positive squares in 4 ways, for example, as 1635878916 + 669256900 = 40446^2 + 25870^2 .

It is a super-2 number, since 2×2305135816² = 10627302260411971712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2305135813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 67906.

Almost surely, 2^2305135816 is an apocalyptic number.

It is an amenable number.

2305135816 is a deficient number, since it is larger than the sum of its proper divisors (2173155824).

2305135816 is a wasteful number, since it uses less digits than its factorization.

2305135816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69073 (or 69069 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2305135816 is about 48011.8299588758. The cubic root of 2305135816 is about 1320.9878998869.

The spelling of 2305135816 in words is "two billion, three hundred five million, one hundred thirty-five thousand, eight hundred sixteen".