131322504140 has 24 divisors (see below), whose sum is σ = 275813209392. Its totient is φ = 52522153920.

The previous prime is 131322504107. The next prime is 131322504167. The reversal of 131322504140 is 41405223131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269294 + ... + 578933.

It is an arithmetic number, because the mean of its divisors is an integer number (11492217058).

Almost surely, 2^131322504140 is an apocalyptic number.

131322504140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131322504140 is an abundant number, since it is smaller than the sum of its proper divisors (144490705252).

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

131322504140 is a wasteful number, since it uses less digits than its factorization.

131322504140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855977 (or 855975 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 131322504140 its reverse (41405223131), we get a palindrome (172727727271).

The spelling of 131322504140 in words is "one hundred thirty-one billion, three hundred twenty-two million, five hundred four thousand, one hundred forty".