131403520314440 has 64 divisors (see below), whose sum is σ = 324156697200000. Its totient is φ = 47542982192640.

The previous prime is 131403520314439. The next prime is 131403520314541. The reversal of 131403520314440 is 44413025304131.

It is a self number, because there is not a number n which added to its sum of digits gives 131403520314440.

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, 750275165 + ... + 750450284.

It is an arithmetic number, because the mean of its divisors is an integer number (5064948393750).

Almost surely, 2^{131403520314440} is an apocalyptic number.

131403520314440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403520314440 is an abundant number, since it is smaller than the sum of its proper divisors (192753176885560).

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

131403520314440 is a wasteful number, since it uses less digits than its factorization.

131403520314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500725670 (or 1500725666 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 131403520314440 its reverse (44413025304131), we get a palindrome (175816545618571).

The spelling of 131403520314440 in words is "one hundred thirty-one trillion, four hundred three billion, five hundred twenty million, three hundred fourteen thousand, four hundred forty".