136504244 has 12 divisors (see below), whose sum is σ = 238992768. Its totient is φ = 68220600.

The previous prime is 136504243. The next prime is 136504273. The reversal of 136504244 is 442405631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136504243) 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, 3779 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (19916064).

Almost surely, 2^136504244 is an apocalyptic number.

It is an amenable number.

136504244 is a deficient number, since it is larger than the sum of its proper divisors (102488524).

136504244 is a wasteful number, since it uses less digits than its factorization.

136504244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766 (or 15764 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 136504244 is about 11683.5030705692. The cubic root of 136504244 is about 514.8910996056.

Adding to 136504244 its reverse (442405631), we get a palindrome (578909875).

The spelling of 136504244 in words is "one hundred thirty-six million, five hundred four thousand, two hundred forty-four".