276131137 has 4 divisors (see below), whose sum is σ = 276186196. Its totient is φ = 276076080.

The previous prime is 276131099. The next prime is 276131171. The reversal of 276131137 is 731131672.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74235456 + 201895681 = 8616^2 + 14209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276131137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276131099 and 276131108.

It is not an unprimeable number, because it can be changed into a prime (276131437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19158 + ... + 30319.

It is an arithmetic number, because the mean of its divisors is an integer number (69046549).

It is a Poulet number, since it divides 2^276131136-1.

Almost surely, 2^276131137 is an apocalyptic number.

It is an amenable number.

276131137 is a deficient number, since it is larger than the sum of its proper divisors (55059).

276131137 is an equidigital number, since it uses as much as digits as its factorization.

276131137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55058.

The product of its digits is 5292, while the sum is 31.

The square root of 276131137 is about 16617.1940170415. The cubic root of 276131137 is about 651.1861080625.

The spelling of 276131137 in words is "two hundred seventy-six million, one hundred thirty-one thousand, one hundred thirty-seven".