135893808 has 40 divisors (see below), whose sum is σ = 390066800. Its totient is φ = 45297792.

The previous prime is 135893789. The next prime is 135893819. The reversal of 135893808 is 808398531.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156853 + ... + 157716.

It is an arithmetic number, because the mean of its divisors is an integer number (9751670).

Almost surely, 2^135893808 is an apocalyptic number.

135893808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135893808 is an abundant number, since it is smaller than the sum of its proper divisors (254172992).

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

135893808 is a wasteful number, since it uses less digits than its factorization.

135893808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314586 (or 314574 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 135893808 is about 11657.3499561435. The cubic root of 135893808 is about 514.1224354682.

The spelling of 135893808 in words is "one hundred thirty-five million, eight hundred ninety-three thousand, eight hundred eight".