133878383422 has 8 divisors (see below), whose sum is σ = 229505800176. Its totient is φ = 57376450032.

The previous prime is 133878383407. The next prime is 133878383423. The reversal of 133878383422 is 224383878331.

It is a happy number.

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 133878383422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133878383423) 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, 4781370823 + ... + 4781370850.

It is an arithmetic number, because the mean of its divisors is an integer number (28688225022).

Almost surely, 2^133878383422 is an apocalyptic number.

133878383422 is a deficient number, since it is larger than the sum of its proper divisors (95627416754).

133878383422 is an equidigital number, since it uses as much as digits as its factorization.

133878383422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562741682.

The product of its digits is 4644864, while the sum is 52.

The spelling of 133878383422 in words is "one hundred thirty-three billion, eight hundred seventy-eight million, three hundred eighty-three thousand, four hundred twenty-two".