235212135 has 16 divisors (see below), whose sum is σ = 377373696. Its totient is φ = 125101728.

The previous prime is 235212079. The next prime is 235212161. The reversal of 235212135 is 531212532.

It is a happy number.

It is not a de Polignac number, because 235212135 - 2⁹ = 235211623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15859 + ... + 26868.

It is an arithmetic number, because the mean of its divisors is an integer number (23585856).

Almost surely, 2^235212135 is an apocalyptic number.

235212135 is a deficient number, since it is larger than the sum of its proper divisors (142161561).

235212135 is a wasteful number, since it uses less digits than its factorization.

235212135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43102.

The product of its digits is 1800, while the sum is 24.

The square root of 235212135 is about 15336.6272367819. The cubic root of 235212135 is about 617.2862094346.

Adding to 235212135 its reverse (531212532), we get a palindrome (766424667).

The spelling of 235212135 in words is "two hundred thirty-five million, two hundred twelve thousand, one hundred thirty-five".