83135512 has 32 divisors (see below), whose sum is σ = 160174080. Its totient is φ = 40430880.

The previous prime is 83135509. The next prime is 83135513. The reversal of 83135512 is 21553138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83135513) 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 7 ways as a sum of consecutive naturals, for example, 131437 + ... + 132067.

It is an arithmetic number, because the mean of its divisors is an integer number (5005440).

Almost surely, 2^83135512 is an apocalyptic number.

It is an amenable number.

83135512 is a deficient number, since it is larger than the sum of its proper divisors (77038568).

83135512 is a wasteful number, since it uses less digits than its factorization.

83135512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1059 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 83135512 is about 9117.8677331929. The cubic root of 83135512 is about 436.4443328137. Note that the first 3 decimals are identical.

The spelling of 83135512 in words is "eighty-three million, one hundred thirty-five thousand, five hundred twelve".