131427269 has 2 divisors, whose sum is σ = 131427270. Its totient is φ = 131427268.

The previous prime is 131427223. The next prime is 131427299. The reversal of 131427269 is 962724131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120780100 + 10647169 = 10990^2 + 3263^2 .

It is an emirp because it is prime and its reverse (962724131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131427269 - 2⁸ = 131427013 is a prime.

It is a super-2 number, since 2×131427269² = 34546254073596722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131427209) 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 as a sum of consecutive naturals, namely, 65713634 + 65713635.

It is an arithmetic number, because the mean of its divisors is an integer number (65713635).

Almost surely, 2^131427269 is an apocalyptic number.

It is an amenable number.

131427269 is a deficient number, since it is larger than the sum of its proper divisors (1).

131427269 is an equidigital number, since it uses as much as digits as its factorization.

131427269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 131427269 is about 11464.1732802675. The cubic root of 131427269 is about 508.4268698491.

The spelling of 131427269 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, two hundred sixty-nine".