134131144221 has 12 divisors (see below), whose sum is σ = 193853671648. Its totient is φ = 89370600264.

The previous prime is 134131144211. The next prime is 134131144223. The reversal of 134131144221 is 122441131431.

It is a happy number.

134131144221 is a `hidden beast` number, since 1 + 341 + 311 + 4 + 4 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 134131144221 - 2⁷ = 134131144093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134131144223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4163275 + ... + 4195368.

Almost surely, 2^134131144221 is an apocalyptic number.

It is an amenable number.

134131144221 is a deficient number, since it is larger than the sum of its proper divisors (59722527427).

134131144221 is a wasteful number, since it uses less digits than its factorization.

134131144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360432 (or 8360429 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 134131144221 its reverse (122441131431), we get a palindrome (256572275652).

The spelling of 134131144221 in words is "one hundred thirty-four billion, one hundred thirty-one million, one hundred forty-four thousand, two hundred twenty-one".