2134521968 has 20 divisors (see below), whose sum is σ = 4138899528. Its totient is φ = 1066418880.

The previous prime is 2134521953. The next prime is 2134521973. The reversal of 2134521968 is 8691254312.

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 3 ways as a sum of consecutive naturals, for example, 31463 + ... + 72518.

Almost surely, 2^2134521968 is an apocalyptic number.

It is an amenable number.

2134521968 is a deficient number, since it is larger than the sum of its proper divisors (2004377560).

2134521968 is a wasteful number, since it uses less digits than its factorization.

2134521968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105272 (or 105266 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 2134521968 is about 46200.8870910505. The cubic root of 2134521968 is about 1287.5582213657.

The spelling of 2134521968 in words is "two billion, one hundred thirty-four million, five hundred twenty-one thousand, nine hundred sixty-eight".