2755139738 has 12 divisors (see below), whose sum is σ = 4475064798. Its totient is φ = 1271602800.

The previous prime is 2755139719. The next prime is 2755139753. The reversal of 2755139738 is 8379315572.

It can be written as a sum of positive squares in 3 ways, for example, as 1029318889 + 1725820849 = 32083^2 + 41543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4075313 + ... + 4075988.

Almost surely, 2^2755139738 is an apocalyptic number.

2755139738 is a deficient number, since it is larger than the sum of its proper divisors (1719925060).

2755139738 is a wasteful number, since it uses less digits than its factorization.

2755139738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151329 (or 8151316 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 2755139738 is about 52489.4250111391. The cubic root of 2755139738 is about 1401.8919553314.

The spelling of 2755139738 in words is "two billion, seven hundred fifty-five million, one hundred thirty-nine thousand, seven hundred thirty-eight".