133385263838 has 8 divisors (see below), whose sum is σ = 204957844560. Its totient is φ = 65065982320.

The previous prime is 133385263757. The next prime is 133385263841. The reversal of 133385263838 is 838362583331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133385263838.

It is a congruent number.

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, 813324698 + ... + 813324861.

It is an arithmetic number, because the mean of its divisors is an integer number (25619730570).

Almost surely, 2^133385263838 is an apocalyptic number.

133385263838 is a deficient number, since it is larger than the sum of its proper divisors (71572580722).

133385263838 is a wasteful number, since it uses less digits than its factorization.

133385263838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626649602.

The product of its digits is 7464960, while the sum is 53.

The spelling of 133385263838 in words is "one hundred thirty-three billion, three hundred eighty-five million, two hundred sixty-three thousand, eight hundred thirty-eight".