133565406064432 has 20 divisors (see below), whose sum is σ = 258789059855280. Its totient is φ = 66781132553408.

The previous prime is 133565406064217. The next prime is 133565406064457. The reversal of 133565406064432 is 234460604565331.

It is a self number, because there is not a number n which added to its sum of digits gives 133565406064432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97453132 + ... + 98814187.

It is an arithmetic number, because the mean of its divisors is an integer number (12939452992764).

Almost surely, 2^{133565406064432} is an apocalyptic number.

It is an amenable number.

133565406064432 is a deficient number, since it is larger than the sum of its proper divisors (125223653790848).

133565406064432 is a wasteful number, since it uses less digits than its factorization.

133565406064432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196309860 (or 196309854 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 52.

The spelling of 133565406064432 in words is "one hundred thirty-three trillion, five hundred sixty-five billion, four hundred six million, sixty-four thousand, four hundred thirty-two".