82321135 has 16 divisors (see below), whose sum is σ = 108861984. Its totient is φ = 59375232.

The previous prime is 82321133. The next prime is 82321139. The reversal of 82321135 is 53112328.

It is a cyclic number.

It is not a de Polignac number, because 82321135 - 2¹ = 82321133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82321133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11932 + ... + 17521.

It is an arithmetic number, because the mean of its divisors is an integer number (6803874).

Almost surely, 2^82321135 is an apocalyptic number.

82321135 is a deficient number, since it is larger than the sum of its proper divisors (26540849).

82321135 is a wasteful number, since it uses less digits than its factorization.

82321135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29514.

The product of its digits is 1440, while the sum is 25.

The square root of 82321135 is about 9073.0995255205. The cubic root of 82321135 is about 435.0145500924.

The spelling of 82321135 in words is "eighty-two million, three hundred twenty-one thousand, one hundred thirty-five".