213245135 has 8 divisors (see below), whose sum is σ = 255973920. Its totient is φ = 170542944.

The previous prime is 213245099. The next prime is 213245143. The reversal of 213245135 is 531542312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 213245135 - 2¹⁰ = 213244111 is a prime.

It is a congruent number.

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, 23126 + ... + 31004.

It is an arithmetic number, because the mean of its divisors is an integer number (31996740).

Almost surely, 2^213245135 is an apocalyptic number.

213245135 is a deficient number, since it is larger than the sum of its proper divisors (42728785).

213245135 is an equidigital number, since it uses as much as digits as its factorization.

213245135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13297.

The product of its digits is 3600, while the sum is 26.

The square root of 213245135 is about 14602.9152911328. The cubic root of 213245135 is about 597.4382772677.

Adding to 213245135 its reverse (531542312), we get a palindrome (744787447).

The spelling of 213245135 in words is "two hundred thirteen million, two hundred forty-five thousand, one hundred thirty-five".