82135630 has 16 divisors (see below), whose sum is σ = 148027824. Its totient is φ = 32813440.

The previous prime is 82135621. The next prime is 82135631. The reversal of 82135630 is 3653128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82135631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4149 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (9251739).

Almost surely, 2^82135630 is an apocalyptic number.

82135630 is a deficient number, since it is larger than the sum of its proper divisors (65892194).

82135630 is a wasteful number, since it uses less digits than its factorization.

82135630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 82135630 is about 9062.8709579250. The cubic root of 82135630 is about 434.6875459137.

Adding to 82135630 its reverse (3653128), we get a palindrome (85788758).

The spelling of 82135630 in words is "eighty-two million, one hundred thirty-five thousand, six hundred thirty".