83136506 has 4 divisors (see below), whose sum is σ = 124704762. Its totient is φ = 41568252.

The previous prime is 83136463. The next prime is 83136509. The reversal of 83136506 is 60563138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 37100281 = 6785^2 + 6091^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83136509) 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 as a sum of consecutive naturals, namely, 20784125 + ... + 20784128.

Almost surely, 2^83136506 is an apocalyptic number.

83136506 is a deficient number, since it is larger than the sum of its proper divisors (41568256).

83136506 is a wasteful number, since it uses less digits than its factorization.

83136506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41568255.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 83136506 is about 9117.9222413881. The cubic root of 83136506 is about 436.4460722386.

The spelling of 83136506 in words is "eighty-three million, one hundred thirty-six thousand, five hundred six".