136271444 has 12 divisors (see below), whose sum is σ = 244920564. Its totient is φ = 66294144.

The previous prime is 136271437. The next prime is 136271449. The reversal of 136271444 is 444172631.

It can be written as a sum of positive squares in 2 ways, for example, as 125708944 + 10562500 = 11212^2 + 3250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136271444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136271449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460229 + ... + 460524.

It is an arithmetic number, because the mean of its divisors is an integer number (20410047).

Almost surely, 2^136271444 is an apocalyptic number.

It is an amenable number.

136271444 is a deficient number, since it is larger than the sum of its proper divisors (108649120).

136271444 is a wasteful number, since it uses less digits than its factorization.

136271444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920794 (or 920792 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 136271444 is about 11673.5360538270. The cubic root of 136271444 is about 514.5982275039.

The spelling of 136271444 in words is "one hundred thirty-six million, two hundred seventy-one thousand, four hundred forty-four".