33240136 has 8 divisors (see below), whose sum is σ = 62325270. Its totient is φ = 16620064.

The previous prime is 33240133. The next prime is 33240149. The reversal of 33240136 is 63104233.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 2924100 = 5506^2 + 1710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33240136² = 2209813282596992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33240133) by changing a digit.

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 as a sum of consecutive naturals, namely, 2077501 + ... + 2077516.

Almost surely, 2^33240136 is an apocalyptic number.

It is an amenable number.

33240136 is a deficient number, since it is larger than the sum of its proper divisors (29085134).

33240136 is a wasteful number, since it uses less digits than its factorization.

33240136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155023 (or 4155019 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 33240136 is about 5765.4259166171. The cubic root of 33240136 is about 321.5295781138.

Adding to 33240136 its reverse (63104233), we get a palindrome (96344369).

The spelling of 33240136 in words is "thirty-three million, two hundred forty thousand, one hundred thirty-six".