134722449 has 27 divisors (see below), whose sum is σ = 201094257. Its totient is φ = 86913216.

The previous prime is 134722417. The next prime is 134722451. The reversal of 134722449 is 944227431.

The square root of 134722449 is 11607.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11512449 + 123210000 = 3393^2 + 11100^2 .

It is not a de Polignac number, because 134722449 - 2⁵ = 134722417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134722459) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1845477 + ... + 1845549.

Almost surely, 2^134722449 is an apocalyptic number.

134722449 is the 11607-th square number.

134722449 is the 5804-th centered octagonal number.

It is an amenable number.

134722449 is a deficient number, since it is larger than the sum of its proper divisors (66371808).

134722449 is an frugal number, since it uses more digits than its factorization.

134722449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 129 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The cubic root of 134722449 is about 512.6409831449.

Multiplying 134722449 by its sum of digits (36), we get a square (4850008164 = 69642²).

The spelling of 134722449 in words is "one hundred thirty-four million, seven hundred twenty-two thousand, four hundred forty-nine".