131435400142 has 16 divisors (see below), whose sum is σ = 210597695712. Its totient is φ = 61304588800.

The previous prime is 131435400139. The next prime is 131435400143. The reversal of 131435400142 is 241004534131.

It is a self number, because there is not a number n which added to its sum of digits gives 131435400142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131435400143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17101234 + ... + 17108917.

It is an arithmetic number, because the mean of its divisors is an integer number (13162355982).

Almost surely, 2^131435400142 is an apocalyptic number.

131435400142 is a deficient number, since it is larger than the sum of its proper divisors (79162295570).

131435400142 is a wasteful number, since it uses less digits than its factorization.

131435400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34210283.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 131435400142 its reverse (241004534131), we get a palindrome (372439934273).

The spelling of 131435400142 in words is "one hundred thirty-one billion, four hundred thirty-five million, four hundred thousand, one hundred forty-two".