82135538 has 8 divisors (see below), whose sum is σ = 123285888. Its totient is φ = 41040244.

The previous prime is 82135481. The next prime is 82135541. The reversal of 82135538 is 83553128.

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

It is a junction number, because it is equal to n+sod(n) for n = 82135498 and 82135507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9806 + ... + 16137.

It is an arithmetic number, because the mean of its divisors is an integer number (15410736).

Almost surely, 2^82135538 is an apocalyptic number.

82135538 is a deficient number, since it is larger than the sum of its proper divisors (41150350).

82135538 is a wasteful number, since it uses less digits than its factorization.

82135538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27528.

The product of its digits is 28800, while the sum is 35.

The square root of 82135538 is about 9062.8658822693. The cubic root of 82135538 is about 434.6873836160.

The spelling of 82135538 in words is "eighty-two million, one hundred thirty-five thousand, five hundred thirty-eight".