131440450122140 has 48 divisors (see below), whose sum is σ = 276749873541120. Its totient is φ = 52438269913920.

The previous prime is 131440450122133. The next prime is 131440450122143. The reversal of 131440450122140 is 41221054044131.

It is a junction number, because it is equal to n+sod(n) for n = 131440450122097 and 131440450122106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440450122143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6911789 + ... + 17625371.

It is an arithmetic number, because the mean of its divisors is an integer number (5765622365440).

Almost surely, 2^{131440450122140} is an apocalyptic number.

131440450122140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131440450122140 is an abundant number, since it is smaller than the sum of its proper divisors (145309423418980).

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

131440450122140 is a wasteful number, since it uses less digits than its factorization.

131440450122140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715202 (or 10715200 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 131440450122140 in words is "one hundred thirty-one trillion, four hundred forty billion, four hundred fifty million, one hundred twenty-two thousand, one hundred forty".