135445213004 has 24 divisors (see below), whose sum is σ = 239358581280. Its totient is φ = 67057202304.

The previous prime is 135445212979. The next prime is 135445213039. The reversal of 135445213004 is 400312544531.

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, 5158742 + ... + 5184930.

It is an arithmetic number, because the mean of its divisors is an integer number (9973274220).

Almost surely, 2^135445213004 is an apocalyptic number.

It is an amenable number.

135445213004 is a deficient number, since it is larger than the sum of its proper divisors (103913368276).

135445213004 is a wasteful number, since it uses less digits than its factorization.

135445213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38849 (or 38847 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 135445213004 its reverse (400312544531), we get a palindrome (535757757535).

The spelling of 135445213004 in words is "one hundred thirty-five billion, four hundred forty-five million, two hundred thirteen thousand, four".