135421442410220 has 96 divisors (see below), whose sum is σ = 308762781163200. Its totient is φ = 49716341305344.

The previous prime is 135421442410169. The next prime is 135421442410223. The reversal of 135421442410220 is 22014244124531.

It is not an unprimeable number, because it can be changed into a prime (135421442410223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17392865 + ... + 23944824.

It is an arithmetic number, because the mean of its divisors is an integer number (3216278970450).

Almost surely, 2^{135421442410220} is an apocalyptic number.

135421442410220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135421442410220 is an abundant number, since it is smaller than the sum of its proper divisors (173341338752980).

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

135421442410220 is a wasteful number, since it uses less digits than its factorization.

135421442410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41337987 (or 41337985 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 135421442410220 its reverse (22014244124531), we get a palindrome (157435686534751).

The spelling of 135421442410220 in words is "one hundred thirty-five trillion, four hundred twenty-one billion, four hundred forty-two million, four hundred ten thousand, two hundred twenty".