134134221 has 8 divisors (see below), whose sum is σ = 192603040. Its totient is φ = 82544112.

The previous prime is 134134207. The next prime is 134134223. The reversal of 134134221 is 122431431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134134221 - 2¹⁵ = 134101453 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 (134134223) 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, 1719631 + ... + 1719708.

It is an arithmetic number, because the mean of its divisors is an integer number (24075380).

Almost surely, 2^134134221 is an apocalyptic number.

It is an amenable number.

134134221 is a deficient number, since it is larger than the sum of its proper divisors (58468819).

134134221 is a wasteful number, since it uses less digits than its factorization.

134134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439355.

The product of its digits is 576, while the sum is 21.

The square root of 134134221 is about 11581.6329159579. The cubic root of 134134221 is about 511.8937933290.

Adding to 134134221 its reverse (122431431), we get a palindrome (256565652).

The spelling of 134134221 in words is "one hundred thirty-four million, one hundred thirty-four thousand, two hundred twenty-one".