308136336 has 40 divisors (see below), whose sum is σ = 830631360. Its totient is φ = 98246016.

The previous prime is 308136331. The next prime is 308136401. The reversal of 308136336 is 633631803.

It is a junction number, because it is equal to n+sod(n) for n = 308136297 and 308136306.

It is not an unprimeable number, because it can be changed into a prime (308136331) 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, 138451 + ... + 140658.

It is an arithmetic number, because the mean of its divisors is an integer number (20765784).

Almost surely, 2^308136336 is an apocalyptic number.

It is an amenable number.

308136336 is an abundant number, since it is smaller than the sum of its proper divisors (522495024).

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

308136336 is a wasteful number, since it uses less digits than its factorization.

308136336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279143 (or 279137 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 308136336 is about 17553.8125773292. The cubic root of 308136336 is about 675.4309719637.

The spelling of 308136336 in words is "three hundred eight million, one hundred thirty-six thousand, three hundred thirty-six".