135523816 has 16 divisors (see below), whose sum is σ = 262304640. Its totient is φ = 65575920.

The previous prime is 135523799. The next prime is 135523837. The reversal of 135523816 is 618325531.

135523816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272986 + ... + 273481.

It is an arithmetic number, because the mean of its divisors is an integer number (16394040).

Almost surely, 2^135523816 is an apocalyptic number.

It is an amenable number.

135523816 is a deficient number, since it is larger than the sum of its proper divisors (126780824).

135523816 is a wasteful number, since it uses less digits than its factorization.

135523816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546504 (or 546500 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 135523816 is about 11641.4696666701. The cubic root of 135523816 is about 513.6554186406.

The spelling of 135523816 in words is "one hundred thirty-five million, five hundred twenty-three thousand, eight hundred sixteen".