136544444 has 12 divisors (see below), whose sum is σ = 240777768. Its totient is φ = 67750800.

The previous prime is 136544437. The next prime is 136544449. The reversal of 136544444 is 444445631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136544449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129767 + ... + 130814.

It is an arithmetic number, because the mean of its divisors is an integer number (20064814).

Almost surely, 2^136544444 is an apocalyptic number.

It is an amenable number.

136544444 is a deficient number, since it is larger than the sum of its proper divisors (104233324).

136544444 is a wasteful number, since it uses less digits than its factorization.

136544444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260716 (or 260714 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 136544444 is about 11685.2233183624. The cubic root of 136544444 is about 514.9416391591.

The spelling of 136544444 in words is "one hundred thirty-six million, five hundred forty-four thousand, four hundred forty-four".