2143134452 has 24 divisors (see below), whose sum is σ = 3974450760. Its totient is φ = 1009379840.

The previous prime is 2143134449. The next prime is 2143134463. The reversal of 2143134452 is 2544313412.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 2143134436 = 4^2 + 46294^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220553 + ... + 230064.

It is an arithmetic number, because the mean of its divisors is an integer number (165602115).

Almost surely, 2^2143134452 is an apocalyptic number.

It is an amenable number.

2143134452 is a deficient number, since it is larger than the sum of its proper divisors (1831316308).

2143134452 is a wasteful number, since it uses less digits than its factorization.

2143134452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450691 (or 450689 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 2143134452 is about 46294.0001728086. Note that the first 3 decimals coincide. The cubic root of 2143134452 is about 1289.2876005621.

Adding to 2143134452 its reverse (2544313412), we get a palindrome (4687447864).

The spelling of 2143134452 in words is "two billion, one hundred forty-three million, one hundred thirty-four thousand, four hundred fifty-two".