33136144 has 20 divisors (see below), whose sum is σ = 65695696. Its totient is φ = 16182432.

The previous prime is 33136093. The next prime is 33136151. The reversal of 33136144 is 44163133.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23394 + ... + 24769.

Almost surely, 2^33136144 is an apocalyptic number.

It is an amenable number.

33136144 is a deficient number, since it is larger than the sum of its proper divisors (32559552).

33136144 is a wasteful number, since it uses less digits than its factorization.

33136144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48214 (or 48208 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 33136144 is about 5756.4002640539. The cubic root of 33136144 is about 321.1939253214.

Adding to 33136144 its reverse (44163133), we get a palindrome (77299277).

The spelling of 33136144 in words is "thirty-three million, one hundred thirty-six thousand, one hundred forty-four".