135215245120 has 112 divisors (see below), whose sum is σ = 328308370560. Its totient is φ = 53024864256.

The previous prime is 135215245117. The next prime is 135215245189. The reversal of 135215245120 is 21542512531.

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, 31865719 + ... + 31869961.

Almost surely, 2^135215245120 is an apocalyptic number.

135215245120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135215245120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164154185280).

135215245120 is an abundant number, since it is smaller than the sum of its proper divisors (193093125440).

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

135215245120 is a wasteful number, since it uses less digits than its factorization.

135215245120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192 (or 6182 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 135215245120 its reverse (21542512531), we get a palindrome (156757757651).

The spelling of 135215245120 in words is "one hundred thirty-five billion, two hundred fifteen million, two hundred forty-five thousand, one hundred twenty".