131135123115442 has 16 divisors (see below), whose sum is σ = 201525925480992. Its totient is φ = 63960221198880.

The previous prime is 131135123115433. The next prime is 131135123115443. The reversal of 131135123115442 is 244511321531131.

It is not an unprimeable number, because it can be changed into a prime (131135123115443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100995228 + ... + 102285415.

It is an arithmetic number, because the mean of its divisors is an integer number (12595370342562).

Almost surely, 2^{131135123115442} is an apocalyptic number.

131135123115442 is a deficient number, since it is larger than the sum of its proper divisors (70390802365550).

131135123115442 is a wasteful number, since it uses less digits than its factorization.

131135123115442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203288553.

The product of its digits is 43200, while the sum is 37.

Adding to 131135123115442 its reverse (244511321531131), we get a palindrome (375646444646573).

The spelling of 131135123115442 in words is "one hundred thirty-one trillion, one hundred thirty-five billion, one hundred twenty-three million, one hundred fifteen thousand, four hundred forty-two".