131402440012501 has 16 divisors (see below), whose sum is σ = 159983503830144. Its totient is φ = 105354990296064.

The previous prime is 131402440012489. The next prime is 131402440012561. The reversal of 131402440012501 is 105210044204131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131402440012501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131402440012501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402440012561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3387165220 + ... + 3387204013.

It is an arithmetic number, because the mean of its divisors is an integer number (9998968989384).

Almost surely, 2^{131402440012501} is an apocalyptic number.

It is an amenable number.

131402440012501 is a deficient number, since it is larger than the sum of its proper divisors (28581063817643).

131402440012501 is a wasteful number, since it uses less digits than its factorization.

131402440012501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774369420.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 131402440012501 its reverse (105210044204131), we get a palindrome (236612484216632).

The spelling of 131402440012501 in words is "one hundred thirty-one trillion, four hundred two billion, four hundred forty million, twelve thousand, five hundred one".