132665422431 has 32 divisors (see below), whose sum is σ = 185203998720. Its totient is φ = 84364044800.

The previous prime is 132665422423. The next prime is 132665422441. The reversal of 132665422431 is 134224566231.

It is a cyclic number.

It is not a de Polignac number, because 132665422431 - 2³ = 132665422423 is a prime.

It is a super-2 number, since 2×132665422431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132665422431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132665422441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3035746 + ... + 3079136.

It is an arithmetic number, because the mean of its divisors is an integer number (5787624960).

Almost surely, 2^132665422431 is an apocalyptic number.

132665422431 is a deficient number, since it is larger than the sum of its proper divisors (52538576289).

132665422431 is a wasteful number, since it uses less digits than its factorization.

132665422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43847.

The product of its digits is 207360, while the sum is 39.

Adding to 132665422431 its reverse (134224566231), we get a palindrome (266889988662).

The spelling of 132665422431 in words is "one hundred thirty-two billion, six hundred sixty-five million, four hundred twenty-two thousand, four hundred thirty-one".