84138112 has 32 divisors (see below), whose sum is σ = 168177600. Its totient is φ = 41928960.

The previous prime is 84138101. The next prime is 84138181. The reversal of 84138112 is 21183148.

It is a tau number, because it is divible by the number of its divisors (32).

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, 45037 + ... + 46867.

It is an arithmetic number, because the mean of its divisors is an integer number (5255550).

Almost surely, 2^84138112 is an apocalyptic number.

It is an amenable number.

84138112 is a deficient number, since it is larger than the sum of its proper divisors (84039488).

84138112 is a wasteful number, since it uses less digits than its factorization.

84138112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 2192 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 84138112 is about 9172.6829226786. The cubic root of 84138112 is about 438.1918080150.

The spelling of 84138112 in words is "eighty-four million, one hundred thirty-eight thousand, one hundred twelve".