136622144 has 14 divisors (see below), whose sum is σ = 271109694. Its totient is φ = 68311040.

The previous prime is 136622131. The next prime is 136622153. The reversal of 136622144 is 441226631.

It can be written as a sum of positive squares in only one way, i.e., 128142400 + 8479744 = 11320^2 + 2912^2 .

It is a super-2 number, since 2×136622144² = 37331220462313472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067297 + ... + 1067424.

Almost surely, 2^136622144 is an apocalyptic number.

It is an amenable number.

136622144 is a deficient number, since it is larger than the sum of its proper divisors (134487550).

136622144 is an equidigital number, since it uses as much as digits as its factorization.

136622144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134733 (or 2134723 counting only the distinct ones).

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

The square root of 136622144 is about 11688.5475573315. The cubic root of 136622144 is about 515.0392957102.

Adding to 136622144 its reverse (441226631), we get a palindrome (577848775).

The spelling of 136622144 in words is "one hundred thirty-six million, six hundred twenty-two thousand, one hundred forty-four".