2440136 has 8 divisors (see below), whose sum is σ = 4575270. Its totient is φ = 1220064.

The previous prime is 2440127. The next prime is 2440153. The reversal of 2440136 is 6310442.

It is a happy number.

2440136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 37636 = 1550^2 + 194^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152501 + ... + 152516.

2^2440136 is an apocalyptic number.

It is an amenable number.

2440136 is a deficient number, since it is larger than the sum of its proper divisors (2135134).

2440136 is a wasteful number, since it uses less digits than its factorization.

2440136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305023 (or 305019 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2440136 is about 1562.0934671139. The cubic root of 2440136 is about 134.6288111527.

Adding to 2440136 its reverse (6310442), we get a palindrome (8750578).

The spelling of 2440136 in words is "two million, four hundred forty thousand, one hundred thirty-six".