135980586 has 96 divisors (see below), whose sum is σ = 372314880. Its totient is φ = 36554112.

The previous prime is 135980573. The next prime is 135980591. The reversal of 135980586 is 685089531.

135980586 is a `hidden beast` number, since 1 + 3 + 598 + 0 + 58 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43471 + ... + 46493.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^135980586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135980586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186157440).

135980586 is an abundant number, since it is smaller than the sum of its proper divisors (236334294).

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

135980586 is a wasteful number, since it uses less digits than its factorization.

135980586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 135980586 is about 11661.0713916003. The cubic root of 135980586 is about 514.2318469374.

The spelling of 135980586 in words is "one hundred thirty-five million, nine hundred eighty thousand, five hundred eighty-six".