276297305137 has 12 divisors (see below), whose sum is σ = 321845592756. Its totient is φ = 236503139040.

The previous prime is 276297305071. The next prime is 276297305161. The reversal of 276297305137 is 731503792672.

It can be written as a sum of positive squares in 2 ways, for example, as 138801698721 + 137495606416 = 372561^2 + 370804^2 .

It is not a de Polignac number, because 276297305137 - 2¹¹ = 276297303089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276297308137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3810414 + ... + 3882247.

It is an arithmetic number, because the mean of its divisors is an integer number (26820466063).

Almost surely, 2^276297305137 is an apocalyptic number.

It is an amenable number.

276297305137 is a deficient number, since it is larger than the sum of its proper divisors (45548287619).

276297305137 is an equidigital number, since it uses as much as digits as its factorization.

276297305137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693408 (or 7693401 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 276297305137 in words is "two hundred seventy-six billion, two hundred ninety-seven million, three hundred five thousand, one hundred thirty-seven".