213065418 has 32 divisors (see below), whose sum is σ = 440796672. Its totient is φ = 68587200.

The previous prime is 213065357. The next prime is 213065431. The reversal of 213065418 is 814560312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122080 + ... + 123812.

It is an arithmetic number, because the mean of its divisors is an integer number (13774896).

Almost surely, 2^213065418 is an apocalyptic number.

213065418 is an abundant number, since it is smaller than the sum of its proper divisors (227731254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213065418 is a wasteful number, since it uses less digits than its factorization.

213065418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 213065418 is about 14596.7605310219. The cubic root of 213065418 is about 597.2703953732.

The spelling of 213065418 in words is "two hundred thirteen million, sixty-five thousand, four hundred eighteen".