133107578778 has 8 divisors (see below), whose sum is σ = 266215157568. Its totient is φ = 44369192924.

The previous prime is 133107578771. The next prime is 133107578783. The reversal of 133107578778 is 877875701331.

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

133107578778 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133107578771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11092298226 + ... + 11092298237.

It is an arithmetic number, because the mean of its divisors is an integer number (33276894696).

Almost surely, 2^133107578778 is an apocalyptic number.

133107578778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133107578778 is a wasteful number, since it uses less digits than its factorization.

133107578778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22184596468.

The product of its (nonzero) digits is 6914880, while the sum is 57.

The spelling of 133107578778 in words is "one hundred thirty-three billion, one hundred seven million, five hundred seventy-eight thousand, seven hundred seventy-eight".