134432221231 has 24 divisors (see below), whose sum is σ = 170626262400. Its totient is φ = 104734249200.

The previous prime is 134432221219. The next prime is 134432221237. The reversal of 134432221231 is 132122234431.

It is not a de Polignac number, because 134432221231 - 2²¹ = 134430124079 is a prime.

It is a super-2 number, since 2×134432221231² (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 134432221231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134432221237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3685320 + ... + 3721618.

It is an arithmetic number, because the mean of its divisors is an integer number (7109427600).

Almost surely, 2^134432221231 is an apocalyptic number.

134432221231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134432221231 is a deficient number, since it is larger than the sum of its proper divisors (36194041169).

134432221231 is a wasteful number, since it uses less digits than its factorization.

134432221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43195 (or 43188 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 134432221231 its reverse (132122234431), we get a palindrome (266554455662).

The spelling of 134432221231 in words is "one hundred thirty-four billion, four hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-one".