213804146 has 16 divisors (see below), whose sum is σ = 330568128. Its totient is φ = 103664400.

The previous prime is 213804109. The next prime is 213804161. The reversal of 213804146 is 641408312.

213804146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3680 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (20660508).

Almost surely, 2^213804146 is an apocalyptic number.

213804146 is a deficient number, since it is larger than the sum of its proper divisors (116763982).

213804146 is a wasteful number, since it uses less digits than its factorization.

213804146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24817.

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

The square root of 213804146 is about 14622.0431540876. The cubic root of 213804146 is about 597.9598728495.

The spelling of 213804146 in words is "two hundred thirteen million, eight hundred four thousand, one hundred forty-six".