133683350878 has 32 divisors (see below), whose sum is σ = 250188507648. Its totient is φ = 52046239200.

The previous prime is 133683350861. The next prime is 133683350881. The reversal of 133683350878 is 878053386331.

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 15 ways as a sum of consecutive naturals, for example, 106993 + ... + 528028.

It is an arithmetic number, because the mean of its divisors is an integer number (7818390864).

Almost surely, 2^133683350878 is an apocalyptic number.

133683350878 is a deficient number, since it is larger than the sum of its proper divisors (116505156770).

133683350878 is a wasteful number, since it uses less digits than its factorization.

133683350878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636408.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 133683350878 in words is "one hundred thirty-three billion, six hundred eighty-three million, three hundred fifty thousand, eight hundred seventy-eight".