2134944252 has 144 divisors (see below), whose sum is σ = 6707413440. Its totient is φ = 558544896.

The previous prime is 2134944221. The next prime is 2134944257. The reversal of 2134944252 is 2524494312.

It is a happy number.

2134944252 is a `hidden beast` number, since 21 + 349 + 44 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134944257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151774 + ... + 165242.

It is an arithmetic number, because the mean of its divisors is an integer number (46579260).

Almost surely, 2^2134944252 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 2134944252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3353706720).

2134944252 is an abundant number, since it is smaller than the sum of its proper divisors (4572469188).

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

2134944252 is a wasteful number, since it uses less digits than its factorization.

2134944252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540 (or 13535 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 2134944252 is about 46205.4569504512. The cubic root of 2134944252 is about 1287.6431239641.

The spelling of 2134944252 in words is "two billion, one hundred thirty-four million, nine hundred forty-four thousand, two hundred fifty-two".