213140335 has 4 divisors (see below), whose sum is σ = 255768408. Its totient is φ = 170512264.

The previous prime is 213140329. The next prime is 213140357. The reversal of 213140335 is 533041312.

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

It is a cyclic number.

It is not a de Polignac number, because 213140335 - 2⁵ = 213140303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21314029 + ... + 21314038.

It is an arithmetic number, because the mean of its divisors is an integer number (63942102).

Almost surely, 2^213140335 is an apocalyptic number.

213140335 is a deficient number, since it is larger than the sum of its proper divisors (42628073).

213140335 is an equidigital number, since it uses as much as digits as its factorization.

213140335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42628072.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 213140335 is about 14599.3265255627. The cubic root of 213140335 is about 597.3403902496.

Adding to 213140335 its reverse (533041312), we get a palindrome (746181647).

The spelling of 213140335 in words is "two hundred thirteen million, one hundred forty thousand, three hundred thirty-five".