135220004 has 6 divisors (see below), whose sum is σ = 236635014. Its totient is φ = 67610000.

The previous prime is 135219977. The next prime is 135220051. The reversal of 135220004 is 400022531.

It can be written as a sum of positive squares in only one way, i.e., 126517504 + 8702500 = 11248^2 + 2950^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16902497 + ... + 16902504.

It is an arithmetic number, because the mean of its divisors is an integer number (39439169).

Almost surely, 2^135220004 is an apocalyptic number.

It is an amenable number.

135220004 is a deficient number, since it is larger than the sum of its proper divisors (101415010).

135220004 is a wasteful number, since it uses less digits than its factorization.

135220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33805005 (or 33805003 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 135220004 is about 11628.4136493333. The cubic root of 135220004 is about 513.2713005755.

Adding to 135220004 its reverse (400022531), we get a palindrome (535242535).

The spelling of 135220004 in words is "one hundred thirty-five million, two hundred twenty thousand, four".