134243122 has 24 divisors (see below), whose sum is σ = 218820420. Its totient is φ = 61738560.

The previous prime is 134243071. The next prime is 134243129. The reversal of 134243122 is 221342431.

It can be written as a sum of positive squares in 6 ways, for example, as 11498881 + 122744241 = 3391^2 + 11079^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134243093 and 134243102.

It is not an unprimeable number, because it can be changed into a prime (134243129) 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, 130972 + ... + 131992.

Almost surely, 2^134243122 is an apocalyptic number.

134243122 is a deficient number, since it is larger than the sum of its proper divisors (84577298).

134243122 is a wasteful number, since it uses less digits than its factorization.

134243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1425 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 134243122 is about 11586.3334148470. Note that the first 3 decimals coincide. The cubic root of 134243122 is about 512.0322881046.

Adding to 134243122 its reverse (221342431), we get a palindrome (355585553).

The spelling of 134243122 in words is "one hundred thirty-four million, two hundred forty-three thousand, one hundred twenty-two".