2771138734 has 16 divisors (see below), whose sum is σ = 5115948768. Its totient is φ = 1096274592.

The previous prime is 2771138731. The next prime is 2771138759. The reversal of 2771138734 is 4378311772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771138731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7612837 + ... + 7613200.

It is an arithmetic number, because the mean of its divisors is an integer number (319746798).

Almost surely, 2^2771138734 is an apocalyptic number.

2771138734 is a deficient number, since it is larger than the sum of its proper divisors (2344810034).

2771138734 is a wasteful number, since it uses less digits than its factorization.

2771138734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226059.

The product of its digits is 197568, while the sum is 43.

The square root of 2771138734 is about 52641.6064914436. The cubic root of 2771138734 is about 1404.6002981504.

The spelling of 2771138734 in words is "two billion, seven hundred seventy-one million, one hundred thirty-eight thousand, seven hundred thirty-four".