135873824 has 12 divisors (see below), whose sum is σ = 267501654. Its totient is φ = 67936896.

The previous prime is 135873791. The next prime is 135873827. The reversal of 135873824 is 428378531.

It can be written as a sum of positive squares in only one way, i.e., 85008400 + 50865424 = 9220^2 + 7132^2 .

It is not an unprimeable number, because it can be changed into a prime (135873827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122997 + ... + 2123060.

Almost surely, 2^135873824 is an apocalyptic number.

It is an amenable number.

135873824 is a deficient number, since it is larger than the sum of its proper divisors (131627830).

135873824 is an equidigital number, since it uses as much as digits as its factorization.

135873824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246067 (or 4246059 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 135873824 is about 11656.4927829944. The cubic root of 135873824 is about 514.0972326363.

The spelling of 135873824 in words is "one hundred thirty-five million, eight hundred seventy-three thousand, eight hundred twenty-four".