83442136 has 8 divisors (see below), whose sum is σ = 156454020. Its totient is φ = 41721064.

The previous prime is 83442119. The next prime is 83442181. The reversal of 83442136 is 63124438.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 83442098 and 83442107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5215126 + ... + 5215141.

Almost surely, 2^83442136 is an apocalyptic number.

It is an amenable number.

83442136 is a deficient number, since it is larger than the sum of its proper divisors (73011884).

83442136 is a wasteful number, since it uses less digits than its factorization.

83442136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430273 (or 10430269 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 83442136 is about 9134.6667153214. Note that the first 3 decimals coincide. The cubic root of 83442136 is about 436.9802454646.

The spelling of 83442136 in words is "eighty-three million, four hundred forty-two thousand, one hundred thirty-six".