136275444 has 36 divisors (see below), whose sum is σ = 346295040. Its totient is φ = 45185040.

The previous prime is 136275421. The next prime is 136275449. The reversal of 136275444 is 444572631.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 136275399 and 136275408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136275449) 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, 3034 + ... + 16785.

Almost surely, 2^136275444 is an apocalyptic number.

It is an amenable number.

136275444 is an abundant number, since it is smaller than the sum of its proper divisors (210019596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136275444 is a wasteful number, since it uses less digits than its factorization.

136275444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020 (or 20015 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 136275444 is about 11673.7073802627. The cubic root of 136275444 is about 514.6032624859.

The spelling of 136275444 in words is "one hundred thirty-six million, two hundred seventy-five thousand, four hundred forty-four".