83971134 has 32 divisors (see below), whose sum is σ = 200958240. Its totient is φ = 25837056.

The previous prime is 83971117. The next prime is 83971141. The reversal of 83971134 is 43117938.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59107 + ... + 60510.

It is an arithmetic number, because the mean of its divisors is an integer number (6279945).

Almost surely, 2^83971134 is an apocalyptic number.

83971134 is an abundant number, since it is smaller than the sum of its proper divisors (116987106).

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

83971134 is a wasteful number, since it uses less digits than its factorization.

83971134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119641 (or 119635 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 83971134 is about 9163.5764851940. The cubic root of 83971134 is about 437.9017418923.

The spelling of 83971134 in words is "eighty-three million, nine hundred seventy-one thousand, one hundred thirty-four".