131421140314432 has 28 divisors (see below), whose sum is σ = 263930859362016. Its totient is φ = 64918876538240.

The previous prime is 131421140314391. The next prime is 131421140314459. The reversal of 131421140314432 is 234413041124131.

It is a super-2 number, since 2×131421140314432² (a number of 29 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 12370207444 + ... + 12370218067.

It is an arithmetic number, because the mean of its divisors is an integer number (9426102120072).

Almost surely, 2^{131421140314432} is an apocalyptic number.

It is an amenable number.

131421140314432 is an abundant number, since it is smaller than the sum of its proper divisors (132509719047584).

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

131421140314432 is an equidigital number, since it uses as much as digits as its factorization.

131421140314432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24740425606 (or 24740425596 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 131421140314432 its reverse (234413041124131), we get a palindrome (365834181438563).

The spelling of 131421140314432 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, one hundred forty million, three hundred fourteen thousand, four hundred thirty-two".