82068131 has 4 divisors (see below), whose sum is σ = 82096152. Its totient is φ = 82040112.

The previous prime is 82068127. The next prime is 82068149. The reversal of 82068131 is 13186028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82068131 - 2² = 82068127 is a prime.

It is a super-2 number, since 2×82068131² = 13470356251666322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82068094 and 82068103.

It is not an unprimeable number, because it can be changed into a prime (82068121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9026 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (20524038).

Almost surely, 2^82068131 is an apocalyptic number.

82068131 is a deficient number, since it is larger than the sum of its proper divisors (28021).

82068131 is a wasteful number, since it uses less digits than its factorization.

82068131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28020.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 82068131 is about 9059.1462622037. The cubic root of 82068131 is about 434.5684379788.

The spelling of 82068131 in words is "eighty-two million, sixty-eight thousand, one hundred thirty-one".