135969936 has 40 divisors (see below), whose sum is σ = 355498080. Its totient is φ = 44775936.

The previous prime is 135969923. The next prime is 135969941. The reversal of 135969936 is 639969531.

135969936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 13081 + ... + 21048.

It is an arithmetic number, because the mean of its divisors is an integer number (8887452).

Almost surely, 2^135969936 is an apocalyptic number.

135969936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135969936 is an abundant number, since it is smaller than the sum of its proper divisors (219528144).

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

135969936 is a wasteful number, since it uses less digits than its factorization.

135969936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34223 (or 34217 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 51.

The square root of 135969936 is about 11660.6147350815. The cubic root of 135969936 is about 514.2184217068.

It can be divided in two parts, 13596 and 9936, that added together give a palindrome (23532).

The spelling of 135969936 in words is "one hundred thirty-five million, nine hundred sixty-nine thousand, nine hundred thirty-six".