135885824 has 22 divisors (see below), whose sum is σ = 271640994. Its totient is φ = 67942400.

The previous prime is 135885821. The next prime is 135885829. The reversal of 135885824 is 428588531.

It can be written as a sum of positive squares in only one way, i.e., 125440000 + 10445824 = 11200^2 + 3232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135885821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65327 + ... + 67374.

Almost surely, 2^135885824 is an apocalyptic number.

It is an amenable number.

135885824 is a deficient number, since it is larger than the sum of its proper divisors (135755170).

135885824 is an equidigital number, since it uses as much as digits as its factorization.

135885824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132721 (or 132703 counting only the distinct ones).

The product of its digits is 307200, while the sum is 44.

The square root of 135885824 is about 11657.0075062170. The cubic root of 135885824 is about 514.1123667389.

The spelling of 135885824 in words is "one hundred thirty-five million, eight hundred eighty-five thousand, eight hundred twenty-four".