135980585 has 16 divisors (see below), whose sum is σ = 176795136. Its totient is φ = 99807168.

The previous prime is 135980573. The next prime is 135980591. The reversal of 135980585 is 585089531.

It is a cyclic number.

It is not a de Polignac number, because 135980585 - 2⁸ = 135980329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4592 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (11049696).

Almost surely, 2^135980585 is an apocalyptic number.

It is an amenable number.

135980585 is a deficient number, since it is larger than the sum of its proper divisors (40814551).

135980585 is a wasteful number, since it uses less digits than its factorization.

135980585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712.

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 135980585 is about 11661.0713487226. The cubic root of 135980585 is about 514.2318456768.

The spelling of 135980585 in words is "one hundred thirty-five million, nine hundred eighty thousand, five hundred eighty-five".