135585380 has 24 divisors (see below), whose sum is σ = 325405248. Its totient is φ = 46486368.

The previous prime is 135585379. The next prime is 135585433. The reversal of 135585380 is 83585531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484094 + ... + 484373.

It is an arithmetic number, because the mean of its divisors is an integer number (13558552).

Almost surely, 2^135585380 is an apocalyptic number.

135585380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135585380 is an abundant number, since it is smaller than the sum of its proper divisors (189819868).

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

135585380 is a wasteful number, since it uses less digits than its factorization.

135585380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968483 (or 968481 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 135585380 is about 11644.1135343142. The cubic root of 135585380 is about 513.7331857715.

The spelling of 135585380 in words is "one hundred thirty-five million, five hundred eighty-five thousand, three hundred eighty".