134420104221 has 16 divisors (see below), whose sum is σ = 194924513280. Its totient is φ = 81901051200.

The previous prime is 134420104219. The next prime is 134420104229. The reversal of 134420104221 is 122401024431.

It is not a de Polignac number, because 134420104221 - 2¹ = 134420104219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134420104191 and 134420104200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134420104229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17058781 + ... + 17066658.

It is an arithmetic number, because the mean of its divisors is an integer number (12182782080).

Almost surely, 2^134420104221 is an apocalyptic number.

It is an amenable number.

134420104221 is a deficient number, since it is larger than the sum of its proper divisors (60504409059).

134420104221 is a wasteful number, since it uses less digits than its factorization.

134420104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34125556.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 134420104221 its reverse (122401024431), we get a palindrome (256821128652).

The spelling of 134420104221 in words is "one hundred thirty-four billion, four hundred twenty million, one hundred four thousand, two hundred twenty-one".