213935056 has 30 divisors (see below), whose sum is σ = 418292610. Its totient is φ = 105997248.

The previous prime is 213935047. The next prime is 213935077. The reversal of 213935056 is 650539312.

It is a happy number.

213935056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 188128656 + 25806400 = 13716^2 + 5080^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257650 + ... + 258478.

It is an arithmetic number, because the mean of its divisors is an integer number (13943087).

Almost surely, 2^213935056 is an apocalyptic number.

It is an amenable number.

213935056 is a deficient number, since it is larger than the sum of its proper divisors (204357554).

213935056 is an equidigital number, since it uses as much as digits as its factorization.

213935056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 213935056 is about 14626.5189296702. The cubic root of 213935056 is about 598.0818894355.

The spelling of 213935056 in words is "two hundred thirteen million, nine hundred thirty-five thousand, fifty-six".