131143465464 has 64 divisors (see below), whose sum is σ = 376488432000. Its totient is φ = 37648840320.

The previous prime is 131143465463. The next prime is 131143465489. The reversal of 131143465464 is 464564341131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143465463) by changing a digit.

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, 13067499 + ... + 13077530.

It is an arithmetic number, because the mean of its divisors is an integer number (5882631750).

Almost surely, 2^131143465464 is an apocalyptic number.

It is an amenable number.

131143465464 is an abundant number, since it is smaller than the sum of its proper divisors (245344966536).

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

131143465464 is a wasteful number, since it uses less digits than its factorization.

131143465464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26145068 (or 26145064 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 131143465464 in words is "one hundred thirty-one billion, one hundred forty-three million, four hundred sixty-five thousand, four hundred sixty-four".