135280545600 has 672 divisors, whose sum is σ = 476695739520. Its totient is φ = 33525596160.

The previous prime is 135280545581. The next prime is 135280545637. The reversal of 135280545600 is 6545082531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 580603084 + ... + 580603316.

It is an arithmetic number, because the mean of its divisors is an integer number (709368660).

Almost surely, 2^135280545600 is an apocalyptic number.

135280545600 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 135280545600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238347869760).

135280545600 is an abundant number, since it is smaller than the sum of its proper divisors (341415193920).

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

135280545600 is a wasteful number, since it uses less digits than its factorization.

135280545600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 135280545600 in words is "one hundred thirty-five billion, two hundred eighty million, five hundred forty-five thousand, six hundred".