2747182138 has 4 divisors (see below), whose sum is σ = 4120773210. Its totient is φ = 1373591068.

The previous prime is 2747182129. The next prime is 2747182147. The reversal of 2747182138 is 8312817472.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2747182129) and next prime (2747182147).

It can be written as a sum of positive squares in only one way, i.e., 1657059849 + 1090122289 = 40707^2 + 33017^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2747182094 and 2747182103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686795533 + ... + 686795536.

Almost surely, 2^2747182138 is an apocalyptic number.

2747182138 is a deficient number, since it is larger than the sum of its proper divisors (1373591072).

2747182138 is a wasteful number, since it uses less digits than its factorization.

2747182138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373591071.

The product of its digits is 150528, while the sum is 43.

The square root of 2747182138 is about 52413.5682624261. The cubic root of 2747182138 is about 1400.5409708697.

The spelling of 2747182138 in words is "two billion, seven hundred forty-seven million, one hundred eighty-two thousand, one hundred thirty-eight".