308830136 has 16 divisors (see below), whose sum is σ = 584370600. Its totient is φ = 152997984.

The previous prime is 308830127. The next prime is 308830139. The reversal of 308830136 is 631038803.

It is a happy number.

308830136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308830139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176210 + ... + 177953.

Almost surely, 2^308830136 is an apocalyptic number.

It is an amenable number.

308830136 is a deficient number, since it is larger than the sum of its proper divisors (275540464).

308830136 is a wasteful number, since it uses less digits than its factorization.

308830136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354278 (or 354274 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 308830136 is about 17573.5635543848. The cubic root of 308830136 is about 675.9375255920.

Adding to 308830136 its reverse (631038803), we get a palindrome (939868939).

The spelling of 308830136 in words is "three hundred eight million, eight hundred thirty thousand, one hundred thirty-six".