2134185572 has 12 divisors (see below), whose sum is σ = 3790568880. Its totient is φ = 1051165896.

The previous prime is 2134185551. The next prime is 2134185577. The reversal of 2134185572 is 2755814312.

It is not an unprimeable number, because it can be changed into a prime (2134185577) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3981422 + ... + 3981957.

It is an arithmetic number, because the mean of its divisors is an integer number (315880740).

Almost surely, 2^2134185572 is an apocalyptic number.

It is an amenable number.

2134185572 is a deficient number, since it is larger than the sum of its proper divisors (1656383308).

2134185572 is a wasteful number, since it uses less digits than its factorization.

2134185572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963450 (or 7963448 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 2134185572 is about 46197.2463681549. The cubic root of 2134185572 is about 1287.4905790243.

Adding to 2134185572 its reverse (2755814312), we get a palindrome (4889999884).

The spelling of 2134185572 in words is "two billion, one hundred thirty-four million, one hundred eighty-five thousand, five hundred seventy-two".