131427377 has 2 divisors, whose sum is σ = 131427378. Its totient is φ = 131427376.

The previous prime is 131427371. The next prime is 131427379. The reversal of 131427377 is 773724131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96805921 + 34621456 = 9839^2 + 5884^2 .

It is a cyclic number.

It is not a de Polignac number, because 131427377 - 2¹⁸ = 131165233 is a prime.

Together with 131427379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131427371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65713688 + 65713689.

It is an arithmetic number, because the mean of its divisors is an integer number (65713689).

Almost surely, 2^131427377 is an apocalyptic number.

It is an amenable number.

131427377 is a deficient number, since it is larger than the sum of its proper divisors (1).

131427377 is an equidigital number, since it uses as much as digits as its factorization.

131427377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 35.

The square root of 131427377 is about 11464.1779905931. The cubic root of 131427377 is about 508.4270091152.

The spelling of 131427377 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, three hundred seventy-seven".