135501230646 has 16 divisors (see below), whose sum is σ = 301113846000. Its totient is φ = 45167076864.

The previous prime is 135501230621. The next prime is 135501230677. The reversal of 135501230646 is 646032105531.

135501230646 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 0 + 1 + 2 + 3 + 0 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 135501230646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254640971 + ... + 1254641078.

It is an arithmetic number, because the mean of its divisors is an integer number (18819615375).

Almost surely, 2^135501230646 is an apocalyptic number.

135501230646 is an abundant number, since it is smaller than the sum of its proper divisors (165612615354).

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

135501230646 is a wasteful number, since it uses less digits than its factorization.

135501230646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509282060 (or 2509282054 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 135501230646 in words is "one hundred thirty-five billion, five hundred one million, two hundred thirty thousand, six hundred forty-six".