82140339 has 8 divisors (see below), whose sum is σ = 109732752. Its totient is φ = 54654080.

The previous prime is 82140319. The next prime is 82140347. The reversal of 82140339 is 93304128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82140339 - 2⁸ = 82140083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82140319) 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, 24714 + ... + 27839.

It is an arithmetic number, because the mean of its divisors is an integer number (13716594).

Almost surely, 2^82140339 is an apocalyptic number.

82140339 is a deficient number, since it is larger than the sum of its proper divisors (27592413).

82140339 is a wasteful number, since it uses less digits than its factorization.

82140339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53077.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 82140339 is about 9063.1307504637. The cubic root of 82140339 is about 434.6958529238.

The spelling of 82140339 in words is "eighty-two million, one hundred forty thousand, three hundred thirty-nine".