131135143 has 2 divisors, whose sum is σ = 131135144. Its totient is φ = 131135142.

The previous prime is 131135119. The next prime is 131135189. The reversal of 131135143 is 341531131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131135143 - 2²¹ = 129037991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131135243) 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, 65567571 + 65567572.

It is an arithmetic number, because the mean of its divisors is an integer number (65567572).

Almost surely, 2^131135143 is an apocalyptic number.

131135143 is a deficient number, since it is larger than the sum of its proper divisors (1).

131135143 is an equidigital number, since it uses as much as digits as its factorization.

131135143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 22.

The square root of 131135143 is about 11451.4253697957. The cubic root of 131135143 is about 508.0498935743.

Adding to 131135143 its reverse (341531131), we get a palindrome (472666274).

The spelling of 131135143 in words is "one hundred thirty-one million, one hundred thirty-five thousand, one hundred forty-three".