201335134 has 128 divisors (see below), whose sum is σ = 438681600. Its totient is φ = 66718080.

The previous prime is 201335129. The next prime is 201335137. The reversal of 201335134 is 431533102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201335137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2548507 + ... + 2548585.

It is an arithmetic number, because the mean of its divisors is an integer number (3427200).

Almost surely, 2^201335134 is an apocalyptic number.

201335134 is an abundant number, since it is smaller than the sum of its proper divisors (237346466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201335134 is a wasteful number, since it uses less digits than its factorization.

201335134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

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

The square root of 201335134 is about 14189.2612210784. The cubic root of 201335134 is about 586.1019811097.

Adding to 201335134 its reverse (431533102), we get a palindrome (632868236).

The spelling of 201335134 in words is "two hundred one million, three hundred thirty-five thousand, one hundred thirty-four".