134121324231 has 8 divisors (see below), whose sum is σ = 198698258160. Its totient is φ = 89414216136.

The previous prime is 134121324217. The next prime is 134121324241. The reversal of 134121324231 is 132423121431.

134121324231 is a `hidden beast` number, since 1 + 3 + 412 + 1 + 3 + 242 + 3 + 1 = 666.

It is not a de Polignac number, because 134121324231 - 2⁶ = 134121324167 is a prime.

It is a super-2 number, since 2×134121324231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4967456453 = 134121324231 / (1 + 3 + 4 + 1 + 2 + 1 + 3 + 2 + 4 + 2 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 134121324195 and 134121324204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134121324241) 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, 2483728200 + ... + 2483728253.

It is an arithmetic number, because the mean of its divisors is an integer number (24837282270).

Almost surely, 2^134121324231 is an apocalyptic number.

134121324231 is a deficient number, since it is larger than the sum of its proper divisors (64576933929).

134121324231 is an equidigital number, since it uses as much as digits as its factorization.

134121324231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967456462 (or 4967456456 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 134121324231 its reverse (132423121431), we get a palindrome (266544445662).

The spelling of 134121324231 in words is "one hundred thirty-four billion, one hundred twenty-one million, three hundred twenty-four thousand, two hundred thirty-one".