2135418 has 16 divisors (see below), whose sum is σ = 4386720. Its totient is φ = 692496.

The previous prime is 2135417. The next prime is 2135447. The reversal of 2135418 is 8145312.

2135418 = 222² + 223² + ... + 258².

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2135411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4588 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (274170).

2^2135418 is an apocalyptic number.

2135418 is an abundant number, since it is smaller than the sum of its proper divisors (2251302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135418 is a wasteful number, since it uses less digits than its factorization.

2135418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661.

The product of its digits is 960, while the sum is 24.

The square root of 2135418 is about 1461.3069492752. The cubic root of 2135418 is about 128.7738360368.

The spelling of 2135418 in words is "two million, one hundred thirty-five thousand, four hundred eighteen".