82405135 has 8 divisors (see below), whose sum is σ = 98935200. Its totient is φ = 65891424.

The previous prime is 82405111. The next prime is 82405163. The reversal of 82405135 is 53150428.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82405135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15841 + ... + 20389.

It is an arithmetic number, because the mean of its divisors is an integer number (12366900).

Almost surely, 2^82405135 is an apocalyptic number.

82405135 is a deficient number, since it is larger than the sum of its proper divisors (16530065).

82405135 is a wasteful number, since it uses less digits than its factorization.

82405135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8177.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 82405135 is about 9077.7274138410. The cubic root of 82405135 is about 435.1624618870.

The spelling of 82405135 in words is "eighty-two million, four hundred five thousand, one hundred thirty-five".