82182141 has 8 divisors (see below), whose sum is σ = 121751360. Its totient is φ = 54788076.

The previous prime is 82182137. The next prime is 82182161. The reversal of 82182141 is 14128128.

It is not a de Polignac number, because 82182141 - 2² = 82182137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3043783 = 82182141 / (8 + 2 + 1 + 8 + 2 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82182161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521865 + ... + 1521918.

It is an arithmetic number, because the mean of its divisors is an integer number (15218920).

Almost surely, 2^82182141 is an apocalyptic number.

It is an amenable number.

82182141 is a deficient number, since it is larger than the sum of its proper divisors (39569219).

82182141 is a wasteful number, since it uses less digits than its factorization.

82182141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043792 (or 3043786 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 82182141 is about 9065.4366138648. The cubic root of 82182141 is about 434.7695807034.

The spelling of 82182141 in words is "eighty-two million, one hundred eighty-two thousand, one hundred forty-one".