131435400143 has 2 divisors, whose sum is σ = 131435400144. Its totient is φ = 131435400142.

The previous prime is 131435400139. The next prime is 131435400203. The reversal of 131435400143 is 341004534131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131435400143 - 2² = 131435400139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131435400643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65717700071 + 65717700072.

It is an arithmetic number, because the mean of its divisors is an integer number (65717700072).

Almost surely, 2^131435400143 is an apocalyptic number.

131435400143 is a deficient number, since it is larger than the sum of its proper divisors (1).

131435400143 is an equidigital number, since it uses as much as digits as its factorization.

131435400143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 131435400143 its reverse (341004534131), we get a palindrome (472439934274).

The spelling of 131435400143 in words is "one hundred thirty-one billion, four hundred thirty-five million, four hundred thousand, one hundred forty-three".