2768514138 has 48 divisors (see below), whose sum is σ = 6465172896. Its totient is φ = 851150880.

The previous prime is 2768514137. The next prime is 2768514139. The reversal of 2768514138 is 8314158672.

It is an interprime number because it is at equal distance from previous prime (2768514137) and next prime (2768514139).

It is a junction number, because it is equal to n+sod(n) for n = 2768514093 and 2768514102.

It is not an unprimeable number, because it can be changed into a prime (2768514137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329773 + ... + 338063.

It is an arithmetic number, because the mean of its divisors is an integer number (134691102).

Almost surely, 2^2768514138 is an apocalyptic number.

2768514138 is an abundant number, since it is smaller than the sum of its proper divisors (3696658758).

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

2768514138 is a wasteful number, since it uses less digits than its factorization.

2768514138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739 (or 9736 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 2768514138 is about 52616.6716735295. The cubic root of 2768514138 is about 1404.1567172324.

The spelling of 2768514138 in words is "two billion, seven hundred sixty-eight million, five hundred fourteen thousand, one hundred thirty-eight".