135683908 has 6 divisors (see below), whose sum is σ = 237446846. Its totient is φ = 67841952.

The previous prime is 135683903. The next prime is 135683929. The reversal of 135683908 is 809386531.

135683908 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 81396484 + 54287424 = 9022^2 + 7368^2 .

It is not an unprimeable number, because it can be changed into a prime (135683903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16960485 + ... + 16960492.

Almost surely, 2^135683908 is an apocalyptic number.

It is an amenable number.

135683908 is a deficient number, since it is larger than the sum of its proper divisors (101762938).

135683908 is a wasteful number, since it uses less digits than its factorization.

135683908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33920981 (or 33920979 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 135683908 is about 11648.3435732296. The cubic root of 135683908 is about 513.8575965484.

It can be divided in two parts, 1356 and 83908, that added together give a square (85264 = 292²).

The spelling of 135683908 in words is "one hundred thirty-five million, six hundred eighty-three thousand, nine hundred eight".