2182136854 has 4 divisors (see below), whose sum is σ = 3273205284. Its totient is φ = 1091068426.

The previous prime is 2182136849. The next prime is 2182136863. The reversal of 2182136854 is 4586312812.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 545534212 + ... + 545534215.

It is an arithmetic number, because the mean of its divisors is an integer number (818301321).

Almost surely, 2^2182136854 is an apocalyptic number.

2182136854 is a deficient number, since it is larger than the sum of its proper divisors (1091068430).

2182136854 is a wasteful number, since it uses less digits than its factorization.

2182136854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091068429.

The product of its digits is 92160, while the sum is 40.

The square root of 2182136854 is about 46713.3477070526. The cubic root of 2182136854 is about 1297.0617771335.

The spelling of 2182136854 in words is "two billion, one hundred eighty-two million, one hundred thirty-six thousand, eight hundred fifty-four".