134221412 has 12 divisors (see below), whose sum is σ = 252955836. Its totient is φ = 61948320.

The previous prime is 134221393. The next prime is 134221427. The reversal of 134221412 is 214122431.

It can be written as a sum of positive squares in 2 ways, for example, as 64899136 + 69322276 = 8056^2 + 8326^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290539 + ... + 1290642.

It is an arithmetic number, because the mean of its divisors is an integer number (21079653).

Almost surely, 2^134221412 is an apocalyptic number.

It is an amenable number.

134221412 is a deficient number, since it is larger than the sum of its proper divisors (118734424).

134221412 is a wasteful number, since it uses less digits than its factorization.

134221412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581198 (or 2581196 counting only the distinct ones).

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

The square root of 134221412 is about 11585.3964973151. The cubic root of 134221412 is about 512.0046844054.

Adding to 134221412 its reverse (214122431), we get a palindrome (348343843).

The spelling of 134221412 in words is "one hundred thirty-four million, two hundred twenty-one thousand, four hundred twelve".