135488421739480 has 64 divisors (see below), whose sum is σ = 307265945071680. Its totient is φ = 53766174720000.

The previous prime is 135488421739471. The next prime is 135488421739483. The reversal of 135488421739480 is 84937124884531.

It is a super-2 number, since 2×135488421739480² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135488421739483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052005 + ... + 16494955.

It is an arithmetic number, because the mean of its divisors is an integer number (4801030391745).

Almost surely, 2^{135488421739480} is an apocalyptic number.

135488421739480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135488421739480 is an abundant number, since it is smaller than the sum of its proper divisors (171777523332200).

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

135488421739480 is a wasteful number, since it uses less digits than its factorization.

135488421739480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15444700 (or 15444696 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 135488421739480 in words is "one hundred thirty-five trillion, four hundred eighty-eight billion, four hundred twenty-one million, seven hundred thirty-nine thousand, four hundred eighty".