135217580 has 24 divisors (see below), whose sum is σ = 284180400. Its totient is φ = 54044480.

The previous prime is 135217571. The next prime is 135217597. The reversal of 135217580 is 85712531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40370 + ... + 43590.

It is an arithmetic number, because the mean of its divisors is an integer number (11840850).

Almost surely, 2^135217580 is an apocalyptic number.

135217580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135217580 is an abundant number, since it is smaller than the sum of its proper divisors (148962820).

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

135217580 is a wasteful number, since it uses less digits than its factorization.

135217580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329 (or 5327 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 135217580 is about 11628.3094214077. The cubic root of 135217580 is about 513.2682335316.

The spelling of 135217580 in words is "one hundred thirty-five million, two hundred seventeen thousand, five hundred eighty".