134112221 has 8 divisors (see below), whose sum is σ = 136896000. Its totient is φ = 131347440.

The previous prime is 134112191. The next prime is 134112229. The reversal of 134112221 is 122211431.

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 134112221 - 2⁶ = 134112157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134112229) 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, 9980 + ... + 19178.

It is an arithmetic number, because the mean of its divisors is an integer number (17112000).

Almost surely, 2^134112221 is an apocalyptic number.

It is an amenable number.

134112221 is a deficient number, since it is larger than the sum of its proper divisors (2783779).

134112221 is an equidigital number, since it uses as much as digits as its factorization.

134112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499.

The product of its digits is 96, while the sum is 17.

The square root of 134112221 is about 11580.6830972961. The cubic root of 134112221 is about 511.8658057429.

Adding to 134112221 its reverse (122211431), we get a palindrome (256323652).

It can be divided in two parts, 1341 and 12221, that multiplied together give a palindrome (16388361).

The spelling of 134112221 in words is "one hundred thirty-four million, one hundred twelve thousand, two hundred twenty-one".