84216134 has 4 divisors (see below), whose sum is σ = 126324204. Its totient is φ = 42108066.

The previous prime is 84216127. The next prime is 84216137. The reversal of 84216134 is 43161248.

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

It is a junction number, because it is equal to n+sod(n) for n = 84216097 and 84216106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84216137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21054032 + ... + 21054035.

It is an arithmetic number, because the mean of its divisors is an integer number (31581051).

Almost surely, 2^84216134 is an apocalyptic number.

84216134 is a deficient number, since it is larger than the sum of its proper divisors (42108070).

84216134 is a wasteful number, since it uses less digits than its factorization.

84216134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42108069.

The product of its digits is 4608, while the sum is 29.

The square root of 84216134 is about 9176.9348913458. The cubic root of 84216134 is about 438.3272125226.

The spelling of 84216134 in words is "eighty-four million, two hundred sixteen thousand, one hundred thirty-four".