2134645324 has 72 divisors (see below), whose sum is σ = 4567845632. Its totient is φ = 854841600.

The previous prime is 2134645309. The next prime is 2134645367. The reversal of 2134645324 is 4235464312.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 2134645324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221019 + ... + 1222765.

Almost surely, 2^2134645324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134645324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283922816).

2134645324 is an abundant number, since it is smaller than the sum of its proper divisors (2433200308).

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

2134645324 is a wasteful number, since it uses less digits than its factorization.

2134645324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1924 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 2134645324 is about 46202.2220677751. Note that the first 3 decimals coincide. The cubic root of 2134645324 is about 1287.5830239483.

The spelling of 2134645324 in words is "two billion, one hundred thirty-four million, six hundred forty-five thousand, three hundred twenty-four".