307140836 has 24 divisors (see below), whose sum is σ = 575981280. Its totient is φ = 142792832.

The previous prime is 307140829. The next prime is 307140851. The reversal of 307140836 is 638041703.

It is an unprimeable number.

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, 21566 + ... + 32853.

It is an arithmetic number, because the mean of its divisors is an integer number (23999220).

Almost surely, 2^307140836 is an apocalyptic number.

It is an amenable number.

307140836 is a deficient number, since it is larger than the sum of its proper divisors (268840444).

307140836 is a wasteful number, since it uses less digits than its factorization.

307140836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54523 (or 54521 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 307140836 is about 17525.4339746552. The cubic root of 307140836 is about 674.7028127500.

The spelling of 307140836 in words is "three hundred seven million, one hundred forty thousand, eight hundred thirty-six".