135530514452420 has 192 divisors, whose sum is σ = 302046651648000. Its totient is φ = 50940443160576.

The previous prime is 135530514452419. The next prime is 135530514452447. The reversal of 135530514452420 is 24254415035531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52551574691 + ... + 52551577269.

It is an arithmetic number, because the mean of its divisors is an integer number (1573159644000).

Almost surely, 2^{135530514452420} is an apocalyptic number.

135530514452420 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 135530514452420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151023325824000).

135530514452420 is an abundant number, since it is smaller than the sum of its proper divisors (166516137195580).

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

135530514452420 is a wasteful number, since it uses less digits than its factorization.

135530514452420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 135530514452420 its reverse (24254415035531), we get a palindrome (159784929487951).

The spelling of 135530514452420 in words is "one hundred thirty-five trillion, five hundred thirty billion, five hundred fourteen million, four hundred fifty-two thousand, four hundred twenty".