135224216460 has 144 divisors (see below), whose sum is σ = 422298100224. Its totient is φ = 35004783744.

The previous prime is 135224216401. The next prime is 135224216489. The reversal of 135224216460 is 64612422531.

135224216460 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 2 + 4 + 2 + 1 + 646 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1208029 + ... + 1315211.

It is an arithmetic number, because the mean of its divisors is an integer number (2932625696).

Almost surely, 2^135224216460 is an apocalyptic number.

135224216460 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 135224216460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211149050112).

135224216460 is an abundant number, since it is smaller than the sum of its proper divisors (287073883764).

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

135224216460 is a wasteful number, since it uses less digits than its factorization.

135224216460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107404 (or 107399 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 135224216460 its reverse (64612422531), we get a palindrome (199836638991).

The spelling of 135224216460 in words is "one hundred thirty-five billion, two hundred twenty-four million, two hundred sixteen thousand, four hundred sixty".