82015135 has 8 divisors (see below), whose sum is σ = 99766800. Its totient is φ = 64713024.

The previous prime is 82015117. The next prime is 82015139. The reversal of 82015135 is 53151028.

It is a happy number.

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 82015135 - 2¹³ = 82006943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82015139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111985 + ... + 112714.

It is an arithmetic number, because the mean of its divisors is an integer number (12470850).

Almost surely, 2^82015135 is an apocalyptic number.

82015135 is a deficient number, since it is larger than the sum of its proper divisors (17751665).

82015135 is a wasteful number, since it uses less digits than its factorization.

82015135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224777.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 82015135 is about 9056.2207901530. The cubic root of 82015135 is about 434.4748760900.

The spelling of 82015135 in words is "eighty-two million, fifteen thousand, one hundred thirty-five".