2740872131 has 4 divisors (see below), whose sum is σ = 2744179200. Its totient is φ = 2737565064.

The previous prime is 2740872103. The next prime is 2740872133. The reversal of 2740872131 is 1312780472.

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

It is a cyclic number.

It is not a de Polignac number, because 2740872131 - 2⁶ = 2740872067 is a prime.

It is a super-2 number, since 2×2740872131² = 15024760076984962322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2740872091 and 2740872100.

It is not an unprimeable number, because it can be changed into a prime (2740872133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652291 + ... + 1653948.

It is an arithmetic number, because the mean of its divisors is an integer number (686044800).

Almost surely, 2^2740872131 is an apocalyptic number.

2740872131 is a deficient number, since it is larger than the sum of its proper divisors (3307069).

2740872131 is an equidigital number, since it uses as much as digits as its factorization.

2740872131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307068.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2740872131 is about 52353.3392535758. The cubic root of 2740872131 is about 1399.4678472393.

The spelling of 2740872131 in words is "two billion, seven hundred forty million, eight hundred seventy-two thousand, one hundred thirty-one".