134241221 has 8 divisors (see below), whose sum is σ = 136272000. Its totient is φ = 132224400.

The previous prime is 134241199. The next prime is 134241223. The reversal of 134241221 is 122142431.

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

It is a cyclic number.

It is not a de Polignac number, because 134241221 - 2¹⁴ = 134224837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134241193 and 134241202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134241223) 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, 16760 + ... + 23438.

It is an arithmetic number, because the mean of its divisors is an integer number (17034000).

Almost surely, 2^134241221 is an apocalyptic number.

It is an amenable number.

134241221 is a deficient number, since it is larger than the sum of its proper divisors (2030779).

134241221 is a wasteful number, since it uses less digits than its factorization.

134241221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6979.

The product of its digits is 384, while the sum is 20.

The square root of 134241221 is about 11586.2513782500. The cubic root of 134241221 is about 512.0298711515.

Adding to 134241221 its reverse (122142431), we get a palindrome (256383652).

The spelling of 134241221 in words is "one hundred thirty-four million, two hundred forty-one thousand, two hundred twenty-one".