136243044 has 144 divisors (see below), whose sum is σ = 413387520. Its totient is φ = 37013760.

The previous prime is 136243043. The next prime is 136243057. The reversal of 136243044 is 440342631.

136243044 is a `hidden beast` number, since 1 + 3 + 624 + 30 + 4 + 4 = 666.

136243044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136242999 and 136243017.

It is not an unprimeable number, because it can be changed into a prime (136243043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 752634 + ... + 752814.

Almost surely, 2^136243044 is an apocalyptic number.

136243044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136243044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206693760).

136243044 is an abundant number, since it is smaller than the sum of its proper divisors (277144476).

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

136243044 is a wasteful number, since it uses less digits than its factorization.

136243044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 136243044 is about 11672.3195638228. The cubic root of 136243044 is about 514.5624762988.

Adding to 136243044 its reverse (440342631), we get a palindrome (576585675).

The spelling of 136243044 in words is "one hundred thirty-six million, two hundred forty-three thousand, forty-four".