135604599612 has 24 divisors (see below), whose sum is σ = 316416718800. Its totient is φ = 45200678016.

The previous prime is 135604599587. The next prime is 135604599659. The reversal of 135604599612 is 216995406531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088464 + ... + 1206632.

It is an arithmetic number, because the mean of its divisors is an integer number (13184029950).

Almost surely, 2^135604599612 is an apocalyptic number.

135604599612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135604599612 is an abundant number, since it is smaller than the sum of its proper divisors (180812119188).

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

135604599612 is a wasteful number, since it uses less digits than its factorization.

135604599612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213805 (or 213803 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 135604599612 in words is "one hundred thirty-five billion, six hundred four million, five hundred ninety-nine thousand, six hundred twelve".