2728343138 has 16 divisors (see below), whose sum is σ = 4218666624. Its totient is φ = 1322663760.

The previous prime is 2728343119. The next prime is 2728343161. The reversal of 2728343138 is 8313438272.

2728343138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2728343095 and 2728343104.

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, 125573 + ... + 145688.

It is an arithmetic number, because the mean of its divisors is an integer number (263666664).

Almost surely, 2^2728343138 is an apocalyptic number.

2728343138 is a deficient number, since it is larger than the sum of its proper divisors (1490323486).

2728343138 is a wasteful number, since it uses less digits than its factorization.

2728343138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271417.

The product of its digits is 193536, while the sum is 41.

The square root of 2728343138 is about 52233.5441837906. The cubic root of 2728343138 is about 1397.3321878668.

The spelling of 2728343138 in words is "two billion, seven hundred twenty-eight million, three hundred forty-three thousand, one hundred thirty-eight".