134054221221 has 6 divisors (see below), whose sum is σ = 193633875110. Its totient is φ = 89369480808.

The previous prime is 134054221219. The next prime is 134054221229. The reversal of 134054221221 is 122122450431.

134054221221 is a `hidden beast` number, since 1 + 3 + 405 + 42 + 212 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132506192196 + 1548029025 = 364014^2 + 39345^2 .

It is not a de Polignac number, because 134054221221 - 2¹ = 134054221219 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 (134054221229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7447456726 + ... + 7447456743.

Almost surely, 2^134054221221 is an apocalyptic number.

It is an amenable number.

134054221221 is a deficient number, since it is larger than the sum of its proper divisors (59579653889).

134054221221 is a wasteful number, since it uses less digits than its factorization.

134054221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894913475 (or 14894913472 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 134054221221 its reverse (122122450431), we get a palindrome (256176671652).

The spelling of 134054221221 in words is "one hundred thirty-four billion, fifty-four million, two hundred twenty-one thousand, two hundred twenty-one".