126448137 has 6 divisors (see below), whose sum is σ = 182647322. Its totient is φ = 84298752.

The previous prime is 126448117. The next prime is 126448139. The reversal of 126448137 is 731844621.

126448137 is a `hidden beast` number, since 1 + 2 + 644 + 8 + 1 + 3 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98188281 + 28259856 = 9909^2 + 5316^2 .

It is not a de Polignac number, because 126448137 - 2⁷ = 126448009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126448139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7024888 + ... + 7024905.

Almost surely, 2^126448137 is an apocalyptic number.

It is an amenable number.

126448137 is a deficient number, since it is larger than the sum of its proper divisors (56199185).

126448137 is a wasteful number, since it uses less digits than its factorization.

126448137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14049799 (or 14049796 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 126448137 is about 11244.9160512651. The cubic root of 126448137 is about 501.9234405979.

The spelling of 126448137 in words is "one hundred twenty-six million, four hundred forty-eight thousand, one hundred thirty-seven".