82068136 has 8 divisors (see below), whose sum is σ = 153877770. Its totient is φ = 41034064.

The previous prime is 82068127. The next prime is 82068149. The reversal of 82068136 is 63186028.

It can be written as a sum of positive squares in only one way, i.e., 56160036 + 25908100 = 7494^2 + 5090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5129251 + ... + 5129266.

Almost surely, 2^82068136 is an apocalyptic number.

It is an amenable number.

82068136 is a deficient number, since it is larger than the sum of its proper divisors (71809634).

82068136 is a wasteful number, since it uses less digits than its factorization.

82068136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258523 (or 10258519 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 82068136 is about 9059.1465381679. The cubic root of 82068136 is about 434.5684468042.

The spelling of 82068136 in words is "eighty-two million, sixty-eight thousand, one hundred thirty-six".