82941138 has 64 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 23289552.

The previous prime is 82941121. The next prime is 82941139. The reversal of 82941138 is 83114928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82941139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20443 + ... + 24161.

It is an arithmetic number, because the mean of its divisors is an integer number (3348000).

Almost surely, 2^82941138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82941138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

82941138 is an abundant number, since it is smaller than the sum of its proper divisors (131330862).

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

82941138 is a wasteful number, since it uses less digits than its factorization.

82941138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3790 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 82941138 is about 9107.2025342583. The cubic root of 82941138 is about 436.1039262120.

The spelling of 82941138 in words is "eighty-two million, nine hundred forty-one thousand, one hundred thirty-eight".