83135560 has 16 divisors (see below), whose sum is σ = 187055100. Its totient is φ = 33254208.

The previous prime is 83135537. The next prime is 83135561. The reversal of 83135560 is 6553138.

It can be written as a sum of positive squares in 2 ways, for example, as 80030916 + 3104644 = 8946^2 + 1762^2 .

It is not an unprimeable number, because it can be changed into a prime (83135561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039155 + ... + 1039234.

Almost surely, 2^83135560 is an apocalyptic number.

It is an amenable number.

83135560 is an abundant number, since it is smaller than the sum of its proper divisors (103919540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83135560 is a wasteful number, since it uses less digits than its factorization.

83135560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078400 (or 2078396 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 83135560 is about 9117.8703653869. The cubic root of 83135560 is about 436.4444168104. Note that the first 4 decimals are identical.

Adding to 83135560 its reverse (6553138), we get a palindrome (89688698).

The spelling of 83135560 in words is "eighty-three million, one hundred thirty-five thousand, five hundred sixty".