131426263 has 2 divisors, whose sum is σ = 131426264. Its totient is φ = 131426262.

The previous prime is 131426261. The next prime is 131426291. The reversal of 131426263 is 362624131.

It is an a-pointer prime, because the next prime (131426291) can be obtained adding 131426263 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131426263 - 2¹ = 131426261 is a prime.

It is a super-2 number, since 2×131426263² = 34545725212290338, which contains 22 as substring.

Together with 131426261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131426261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65713131 + 65713132.

It is an arithmetic number, because the mean of its divisors is an integer number (65713132).

Almost surely, 2^131426263 is an apocalyptic number.

131426263 is a deficient number, since it is larger than the sum of its proper divisors (1).

131426263 is an equidigital number, since it uses as much as digits as its factorization.

131426263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 131426263 is about 11464.1294043639. The cubic root of 131426263 is about 508.4255726075.

The spelling of 131426263 in words is "one hundred thirty-one million, four hundred twenty-six thousand, two hundred sixty-three".