135201210 has 16 divisors (see below), whose sum is σ = 324482976. Its totient is φ = 36053648.

The previous prime is 135201191. The next prime is 135201211. The reversal of 135201210 is 12102531.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 135201210.

It is not an unprimeable number, because it can be changed into a prime (135201211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2253324 + ... + 2253383.

It is an arithmetic number, because the mean of its divisors is an integer number (20280186).

Almost surely, 2^135201210 is an apocalyptic number.

135201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135201210 is an abundant number, since it is smaller than the sum of its proper divisors (189281766).

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

135201210 is a wasteful number, since it uses less digits than its factorization.

135201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506717.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 135201210 is about 11627.6055144643. The cubic root of 135201210 is about 513.2475199033.

Adding to 135201210 its reverse (12102531), we get a palindrome (147303741).

The spelling of 135201210 in words is "one hundred thirty-five million, two hundred one thousand, two hundred ten".