131340120142 has 16 divisors (see below), whose sum is σ = 245623082112. Its totient is φ = 51171475320.

The previous prime is 131340120097. The next prime is 131340120151. The reversal of 131340120142 is 241021043131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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, 426428808 + ... + 426429115.

It is an arithmetic number, because the mean of its divisors is an integer number (15351442632).

Almost surely, 2^131340120142 is an apocalyptic number.

131340120142 is a deficient number, since it is larger than the sum of its proper divisors (114282961970).

131340120142 is a wasteful number, since it uses less digits than its factorization.

131340120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852857943.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131340120142 its reverse (241021043131), we get a palindrome (372361163273).

The spelling of 131340120142 in words is "one hundred thirty-one billion, three hundred forty million, one hundred twenty thousand, one hundred forty-two".