135241212450 has 96 divisors (see below), whose sum is σ = 353666917440. Its totient is φ = 34106572800.

The previous prime is 135241212427. The next prime is 135241212451. The reversal of 135241212450 is 54212142531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (135241212451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1603330 + ... + 1685570.

It is an arithmetic number, because the mean of its divisors is an integer number (3684030390).

Almost surely, 2^135241212450 is an apocalyptic number.

135241212450 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 135241212450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176833458720).

135241212450 is an abundant number, since it is smaller than the sum of its proper divisors (218425704990).

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

135241212450 is a wasteful number, since it uses less digits than its factorization.

135241212450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82852 (or 82847 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 135241212450 its reverse (54212142531), we get a palindrome (189453354981).

The spelling of 135241212450 in words is "one hundred thirty-five billion, two hundred forty-one million, two hundred twelve thousand, four hundred fifty".