84054130 has 16 divisors (see below), whose sum is σ = 151633944. Its totient is φ = 33546880.

The previous prime is 84054083. The next prime is 84054133. The reversal of 84054130 is 3145048.

It can be written as a sum of positive squares in 4 ways, for example, as 65658609 + 18395521 = 8103^2 + 4289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84054095 and 84054104.

It is not an unprimeable number, because it can be changed into a prime (84054133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 13726.

Almost surely, 2^84054130 is an apocalyptic number.

84054130 is a deficient number, since it is larger than the sum of its proper divisors (67579814).

84054130 is a wasteful number, since it uses less digits than its factorization.

84054130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18701.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 84054130 is about 9168.1039479273. The cubic root of 84054130 is about 438.0459665553.

Adding to 84054130 its reverse (3145048), we get a palindrome (87199178).

The spelling of 84054130 in words is "eighty-four million, fifty-four thousand, one hundred thirty".