135665004 has 24 divisors (see below), whose sum is σ = 317882880. Its totient is φ = 45031504.

The previous prime is 135664967. The next prime is 135665009. The reversal of 135665004 is 400566531.

It is not an unprimeable number, because it can be changed into a prime (135665009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20784 + ... + 26519.

It is an arithmetic number, because the mean of its divisors is an integer number (13245120).

Almost surely, 2^135665004 is an apocalyptic number.

It is an amenable number.

135665004 is an abundant number, since it is smaller than the sum of its proper divisors (182217876).

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

135665004 is a wasteful number, since it uses less digits than its factorization.

135665004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47549 (or 47547 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 135665004 is about 11647.5320991187. The cubic root of 135665004 is about 513.8337312394.

The spelling of 135665004 in words is "one hundred thirty-five million, six hundred sixty-five thousand, four".