131477 has 2 divisors, whose sum is σ = 131478. Its totient is φ = 131476.

The previous prime is 131449. The next prime is 131479. The reversal of 131477 is 774131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130321 + 1156 = 361^2 + 34^2 .

It is an emirp because it is prime and its reverse (774131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131477 - 2⁶ = 131413 is a prime.

Together with 131479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 131477.

It is not a weakly prime, because it can be changed into another prime (131479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65738 + 65739.

It is an arithmetic number, because the mean of its divisors is an integer number (65739).

2¹³¹⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

131477 is a deficient number, since it is larger than the sum of its proper divisors (1).

131477 is an equidigital number, since it uses as much as digits as its factorization.

131477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 23.

The square root of 131477 is about 362.5975730752. The cubic root of 131477 is about 50.8490989947.

It can be divided in two parts, 13147 and 7, that multiplied together give a palindrome (92029).

The spelling of 131477 in words is "one hundred thirty-one thousand, four hundred seventy-seven".