201234135 has 16 divisors (see below), whose sum is σ = 322771680. Its totient is φ = 107059200.

The previous prime is 201234101. The next prime is 201234169. The reversal of 201234135 is 531432102.

It is an interprime number because it is at equal distance from previous prime (201234101) and next prime (201234169).

It is not a de Polignac number, because 201234135 - 2⁶ = 201234071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10266 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (20173230).

Almost surely, 2^201234135 is an apocalyptic number.

201234135 is a deficient number, since it is larger than the sum of its proper divisors (121537545).

201234135 is a wasteful number, since it uses less digits than its factorization.

201234135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33218.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 201234135 is about 14185.7017803139. The cubic root of 201234135 is about 586.0039594447.

Adding to 201234135 its reverse (531432102), we get a palindrome (732666237).

The spelling of 201234135 in words is "two hundred one million, two hundred thirty-four thousand, one hundred thirty-five".