2134671892 has 12 divisors (see below), whose sum is σ = 3739028020. Its totient is φ = 1066378176.

The previous prime is 2134671863. The next prime is 2134671899. The reversal of 2134671892 is 2981764312.

It can be written as a sum of positive squares in 2 ways, for example, as 133541136 + 2001130756 = 11556^2 + 44734^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134671899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234417 + ... + 243352.

Almost surely, 2^2134671892 is an apocalyptic number.

It is an amenable number.

2134671892 is a deficient number, since it is larger than the sum of its proper divisors (1604356128).

2134671892 is a wasteful number, since it uses less digits than its factorization.

2134671892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478890 (or 478888 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 2134671892 is about 46202.5095855193. The cubic root of 2134671892 is about 1287.5883657200.

The spelling of 2134671892 in words is "two billion, one hundred thirty-four million, six hundred seventy-one thousand, eight hundred ninety-two".