135021004 has 24 divisors (see below), whose sum is σ = 250544448. Its totient is φ = 63448320.

The previous prime is 135020959. The next prime is 135021023. The reversal of 135021004 is 400120531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82902 + ... + 84514.

It is an arithmetic number, because the mean of its divisors is an integer number (10439352).

Almost surely, 2^135021004 is an apocalyptic number.

It is an amenable number.

135021004 is a deficient number, since it is larger than the sum of its proper divisors (115523444).

135021004 is a wasteful number, since it uses less digits than its factorization.

135021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 135021004 is about 11619.8538717146. The cubic root of 135021004 is about 513.0193873158.

Adding to 135021004 its reverse (400120531), we get a palindrome (535141535).

The spelling of 135021004 in words is "one hundred thirty-five million, twenty-one thousand, four".