2135518 has 32 divisors (see below), whose sum is σ = 4089600. Its totient is φ = 829080.

The previous prime is 2135503. The next prime is 2135519. The reversal of 2135518 is 8155312.

It is a happy number.

2135518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2135492 and 2135501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135519) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 7405 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (127800).

2^2135518 is an apocalyptic number.

2135518 is a deficient number, since it is larger than the sum of its proper divisors (1954082).

2135518 is a wasteful number, since it uses less digits than its factorization.

2135518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 303 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 2135518 is about 1461.3411648209. The cubic root of 2135518 is about 128.7758461323.

The spelling of 2135518 in words is "two million, one hundred thirty-five thousand, five hundred eighteen".