276809144131 has 8 divisors (see below), whose sum is σ = 303154734960. Its totient is φ = 251185350432.

The previous prime is 276809144113. The next prime is 276809144189. The reversal of 276809144131 is 131441908672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276809144131 is a prime.

It is a super-2 number, since 2×276809144131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276809144111) 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 7 ways as a sum of consecutive naturals, for example, 180448480 + ... + 180450013.

It is an arithmetic number, because the mean of its divisors is an integer number (37894341870).

Almost surely, 2^276809144131 is an apocalyptic number.

276809144131 is a deficient number, since it is larger than the sum of its proper divisors (26345590829).

276809144131 is a wasteful number, since it uses less digits than its factorization.

276809144131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360898565.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 276809144131 in words is "two hundred seventy-six billion, eight hundred nine million, one hundred forty-four thousand, one hundred thirty-one".