136641224 has 16 divisors (see below), whose sum is σ = 256608000. Its totient is φ = 68212432.

The previous prime is 136641221. The next prime is 136641251. The reversal of 136641224 is 422146631.

It is not an unprimeable number, because it can be changed into a prime (136641221) 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, 8024 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (16038000).

Almost surely, 2^136641224 is an apocalyptic number.

It is an amenable number.

136641224 is a deficient number, since it is larger than the sum of its proper divisors (119966776).

136641224 is a wasteful number, since it uses less digits than its factorization.

136641224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27052 (or 27048 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 136641224 is about 11689.3637123669. The cubic root of 136641224 is about 515.0632705751.

Adding to 136641224 its reverse (422146631), we get a palindrome (558787855).

The spelling of 136641224 in words is "one hundred thirty-six million, six hundred forty-one thousand, two hundred twenty-four".