135940064 has 24 divisors (see below), whose sum is σ = 288219960. Its totient is φ = 62741376.

The previous prime is 135940043. The next prime is 135940067. The reversal of 135940064 is 460049531.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 135940064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135940067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 162974 + ... + 163805.

It is an arithmetic number, because the mean of its divisors is an integer number (12009165).

Almost surely, 2^135940064 is an apocalyptic number.

It is an amenable number.

135940064 is an abundant number, since it is smaller than the sum of its proper divisors (152279896).

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

135940064 is a wasteful number, since it uses less digits than its factorization.

135940064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326802 (or 326794 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 135940064 is about 11659.3337717041. Note that the first 3 decimals coincide. The cubic root of 135940064 is about 514.1807617697.

Adding to 135940064 its reverse (460049531), we get a palindrome (595989595).

The spelling of 135940064 in words is "one hundred thirty-five million, nine hundred forty thousand, sixty-four".