135986634 has 32 divisors (see below), whose sum is σ = 345363840. Its totient is φ = 38853216.

The previous prime is 135986633. The next prime is 135986657. The reversal of 135986634 is 436689531.

135986634 is a `hidden beast` number, since 1 + 3 + 5 + 9 + 8 + 6 + 634 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135986634.

It is not an unprimeable number, because it can be changed into a prime (135986633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179499 + ... + 180254.

It is an arithmetic number, because the mean of its divisors is an integer number (10792620).

Almost surely, 2^135986634 is an apocalyptic number.

135986634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135986634 is an abundant number, since it is smaller than the sum of its proper divisors (209377206).

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

135986634 is a wasteful number, since it uses less digits than its factorization.

135986634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359771 (or 359765 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 135986634 is about 11661.3307130876. The cubic root of 135986634 is about 514.2394706436.

The spelling of 135986634 in words is "one hundred thirty-five million, nine hundred eighty-six thousand, six hundred thirty-four".