134211321 has 12 divisors (see below), whose sum is σ = 199100772. Its totient is φ = 87055776.

The previous prime is 134211313. The next prime is 134211347. The reversal of 134211321 is 123112431.

134211321 is a `hidden beast` number, since 1 + 342 + 1 + 1 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122412096 + 11799225 = 11064^2 + 3435^2 .

It is not a de Polignac number, because 134211321 - 2³ = 134211313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 134211294 and 134211303.

It is not an unprimeable number, because it can be changed into a prime (134211361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201186 + ... + 201851.

It is an arithmetic number, because the mean of its divisors is an integer number (16591731).

Almost surely, 2^134211321 is an apocalyptic number.

It is an amenable number.

134211321 is a deficient number, since it is larger than the sum of its proper divisors (64889451).

134211321 is a wasteful number, since it uses less digits than its factorization.

134211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403080 (or 403077 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 134211321 is about 11584.9609839654. The cubic root of 134211321 is about 511.9918529486.

Adding to 134211321 its reverse (123112431), we get a palindrome (257323752).

The spelling of 134211321 in words is "one hundred thirty-four million, two hundred eleven thousand, three hundred twenty-one".