2130518 has 8 divisors (see below), whose sum is σ = 3441648. Its totient is φ = 983304.

The previous prime is 2130509. The next prime is 2130523. The reversal of 2130518 is 8150312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2130518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40946 + ... + 40997.

It is an arithmetic number, because the mean of its divisors is an integer number (430206).

2^2130518 is an apocalyptic number.

2130518 is a deficient number, since it is larger than the sum of its proper divisors (1311130).

2130518 is a wasteful number, since it uses less digits than its factorization.

2130518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81958.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2130518 is about 1459.6294050203. The cubic root of 2130518 is about 128.6752643841.

The spelling of 2130518 in words is "two million, one hundred thirty thousand, five hundred eighteen".