131112245140 has 48 divisors (see below), whose sum is σ = 285707157120. Its totient is φ = 50503743360.

The previous prime is 131112245053. The next prime is 131112245203. The reversal of 131112245140 is 41542211131.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1012575 + ... + 1134694.

It is an arithmetic number, because the mean of its divisors is an integer number (5952232440).

Almost surely, 2^131112245140 is an apocalyptic number.

131112245140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131112245140 is an abundant number, since it is smaller than the sum of its proper divisors (154594911980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131112245140 is a wasteful number, since it uses less digits than its factorization.

131112245140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147392 (or 2147390 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 131112245140 its reverse (41542211131), we get a palindrome (172654456271).

The spelling of 131112245140 in words is "one hundred thirty-one billion, one hundred twelve million, two hundred forty-five thousand, one hundred forty".