276434131 has 2 divisors, whose sum is σ = 276434132. Its totient is φ = 276434130.

The previous prime is 276434129. The next prime is 276434219. The reversal of 276434131 is 131434672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276434131 - 2¹ = 276434129 is a prime.

It is a super-2 number, since 2×276434131² = 152831657563450322, which contains 22 as substring.

Together with 276434129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 276434093 and 276434102.

It is not a weakly prime, because it can be changed into another prime (276434111) 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 as a sum of consecutive naturals, namely, 138217065 + 138217066.

It is an arithmetic number, because the mean of its divisors is an integer number (138217066).

Almost surely, 2^276434131 is an apocalyptic number.

276434131 is a deficient number, since it is larger than the sum of its proper divisors (1).

276434131 is an equidigital number, since it uses as much as digits as its factorization.

276434131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 276434131 is about 16626.3083996418. The cubic root of 276434131 is about 651.4241994794.

The spelling of 276434131 in words is "two hundred seventy-six million, four hundred thirty-four thousand, one hundred thirty-one".