213135410 has 8 divisors (see below), whose sum is σ = 383643756. Its totient is φ = 85254160.

The previous prime is 213135401. The next prime is 213135431. The reversal of 213135410 is 14531312.

It can be written as a sum of positive squares in 2 ways, for example, as 213072409 + 63001 = 14597^2 + 251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 10656761 + ... + 10656780.

Almost surely, 2^213135410 is an apocalyptic number.

213135410 is a deficient number, since it is larger than the sum of its proper divisors (170508346).

213135410 is a wasteful number, since it uses less digits than its factorization.

213135410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21313548.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 213135410 is about 14599.1578524242. The cubic root of 213135410 is about 597.3357893309.

Adding to 213135410 its reverse (14531312), we get a palindrome (227666722).

The spelling of 213135410 in words is "two hundred thirteen million, one hundred thirty-five thousand, four hundred ten".