135547421480 has 16 divisors (see below), whose sum is σ = 304981698420. Its totient is φ = 54218968576.

The previous prime is 135547421479. The next prime is 135547421491. The reversal of 135547421480 is 84124745531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123359703076 + 12187718404 = 351226^2 + 110398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694342729 + ... + 1694342808.

Almost surely, 2^135547421480 is an apocalyptic number.

135547421480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135547421480 is an abundant number, since it is smaller than the sum of its proper divisors (169434276940).

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

135547421480 is a wasteful number, since it uses less digits than its factorization.

135547421480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388685548 (or 3388685544 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 135547421480 in words is "one hundred thirty-five billion, five hundred forty-seven million, four hundred twenty-one thousand, four hundred eighty".