136259444 has 6 divisors (see below), whose sum is σ = 238454034. Its totient is φ = 68129720.

The previous prime is 136259423. The next prime is 136259447. The reversal of 136259444 is 444952631.

136259444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 95452900 + 40806544 = 9770^2 + 6388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136259398 and 136259407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136259447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17032427 + ... + 17032434.

It is an arithmetic number, because the mean of its divisors is an integer number (39742339).

Almost surely, 2^136259444 is an apocalyptic number.

It is an amenable number.

136259444 is a deficient number, since it is larger than the sum of its proper divisors (102194590).

136259444 is a wasteful number, since it uses less digits than its factorization.

136259444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34064865 (or 34064863 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 136259444 is about 11673.0220594326. The cubic root of 136259444 is about 514.5831219670.

It can be divided in two parts, 1362 and 59444, that added together give a palindrome (60806).

The spelling of 136259444 in words is "one hundred thirty-six million, two hundred fifty-nine thousand, four hundred forty-four".