135475489025080 has 64 divisors (see below), whose sum is σ = 328840060573440. Its totient is φ = 50040225011712.

The previous prime is 135475489025069. The next prime is 135475489025081. The reversal of 135475489025080 is 80520984574531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135475489025081) 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, 1879479624 + ... + 1879551703.

It is an arithmetic number, because the mean of its divisors is an integer number (5138125946460).

Almost surely, 2^{135475489025080} is an apocalyptic number.

135475489025080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135475489025080 is an abundant number, since it is smaller than the sum of its proper divisors (193364571548360).

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

135475489025080 is a wasteful number, since it uses less digits than its factorization.

135475489025080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759031408 (or 3759031404 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 61.

The spelling of 135475489025080 in words is "one hundred thirty-five trillion, four hundred seventy-five billion, four hundred eighty-nine million, twenty-five thousand, eighty".