135023808 has 28 divisors (see below), whose sum is σ = 357251000. Its totient is φ = 45007872.

The previous prime is 135023803. The next prime is 135023839. The reversal of 135023808 is 808320531.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (135023803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351433 + ... + 351816.

Almost surely, 2^135023808 is an apocalyptic number.

It is an amenable number.

135023808 is an abundant number, since it is smaller than the sum of its proper divisors (222227192).

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

135023808 is an equidigital number, since it uses as much as digits as its factorization.

135023808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703264 (or 703254 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 135023808 is about 11619.9745266502. The cubic root of 135023808 is about 513.0229386062.

The spelling of 135023808 in words is "one hundred thirty-five million, twenty-three thousand, eight hundred eight".