82140174 has 24 divisors (see below), whose sum is σ = 178389432. Its totient is φ = 27315600.

The previous prime is 82140143. The next prime is 82140181. The reversal of 82140174 is 47104128.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2824 + ... + 13124.

It is an arithmetic number, because the mean of its divisors is an integer number (7432893).

Almost surely, 2^82140174 is an apocalyptic number.

82140174 is an abundant number, since it is smaller than the sum of its proper divisors (96249258).

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

82140174 is a wasteful number, since it uses less digits than its factorization.

82140174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752 (or 10749 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 82140174 is about 9063.1216476444. The cubic root of 82140174 is about 434.6955618575.

The spelling of 82140174 in words is "eighty-two million, one hundred forty thousand, one hundred seventy-four".