131420402502512 has 40 divisors (see below), whose sum is σ = 263847017844000. Its totient is φ = 63338415026432.

The previous prime is 131420402502509. The next prime is 131420402502629. The reversal of 131420402502512 is 215205204024131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236144123 + ... + 236699994.

It is an arithmetic number, because the mean of its divisors is an integer number (6596175446100).

Almost surely, 2^{131420402502512} is an apocalyptic number.

It is an amenable number.

131420402502512 is an abundant number, since it is smaller than the sum of its proper divisors (132426615341488).

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

131420402502512 is a wasteful number, since it uses less digits than its factorization.

131420402502512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472844753 (or 472844747 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 131420402502512 its reverse (215205204024131), we get a palindrome (346625606526643).

The spelling of 131420402502512 in words is "one hundred thirty-one trillion, four hundred twenty billion, four hundred two million, five hundred two thousand, five hundred twelve".