135246210 has 128 divisors (see below), whose sum is σ = 375238656. Its totient is φ = 30877440.

The previous prime is 135246191. The next prime is 135246217. The reversal of 135246210 is 12642531.

135246210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (135246217) 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 63 ways as a sum of consecutive naturals, for example, 781684 + ... + 781856.

It is an arithmetic number, because the mean of its divisors is an integer number (2931552).

Almost surely, 2^135246210 is an apocalyptic number.

135246210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135246210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187619328).

135246210 is an abundant number, since it is smaller than the sum of its proper divisors (239992446).

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

135246210 is a wasteful number, since it uses less digits than its factorization.

135246210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 135246210 is about 11629.5404036445. The cubic root of 135246210 is about 513.3044562193.

Adding to 135246210 its reverse (12642531), we get a palindrome (147888741).

The spelling of 135246210 in words is "one hundred thirty-five million, two hundred forty-six thousand, two hundred ten".