132810543126581 has 8 divisors (see below), whose sum is σ = 132884219248128. Its totient is φ = 132736887360000.

The previous prime is 132810543126491. The next prime is 132810543126589. The reversal of 132810543126581 is 185621345018231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132810543126581 - 2²² = 132810538932277 is a prime.

It is a super-2 number, since 2×132810543126581² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132810543126589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7973621 + ... + 18143861.

It is an arithmetic number, because the mean of its divisors is an integer number (16610527406016).

Almost surely, 2^{132810543126581} is an apocalyptic number.

It is an amenable number.

132810543126581 is a deficient number, since it is larger than the sum of its proper divisors (73676121547).

132810543126581 is a wasteful number, since it uses less digits than its factorization.

132810543126581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177483.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 132810543126581 in words is "one hundred thirty-two trillion, eight hundred ten billion, five hundred forty-three million, one hundred twenty-six thousand, five hundred eighty-one".