14128857236 has 24 divisors (see below), whose sum is σ = 27129871944. Its totient is φ = 6397971840.

The previous prime is 14128857227. The next prime is 14128857257. The reversal of 14128857236 is 63275882141.

It can be written as a sum of positive squares in 4 ways, for example, as 1460004100 + 12668853136 = 38210^2 + 112556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2560535 + ... + 2566046.

It is an arithmetic number, because the mean of its divisors is an integer number (1130411331).

Almost surely, 2^14128857236 is an apocalyptic number.

It is an amenable number.

14128857236 is a deficient number, since it is larger than the sum of its proper divisors (13001014708).

14128857236 is a wasteful number, since it uses less digits than its factorization.

14128857236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126651 (or 5126649 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 14128857236 in words is "fourteen billion, one hundred twenty-eight million, eight hundred fifty-seven thousand, two hundred thirty-six".