135840004 has 12 divisors (see below), whose sum is σ = 238787584. Its totient is φ = 67614984.

The previous prime is 135839993. The next prime is 135840017. The reversal of 135840004 is 400048531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75252 + ... + 77035.

Almost surely, 2^135840004 is an apocalyptic number.

It is an amenable number.

135840004 is a deficient number, since it is larger than the sum of its proper divisors (102947580).

135840004 is a wasteful number, since it uses less digits than its factorization.

135840004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152514 (or 152512 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 135840004 is about 11655.0419990663. The cubic root of 135840004 is about 514.0545748953.

Adding to 135840004 its reverse (400048531), we get a palindrome (535888535).

The spelling of 135840004 in words is "one hundred thirty-five million, eight hundred forty thousand, four".