133718448405 has 8 divisors (see below), whose sum is σ = 213949517472. Its totient is φ = 71316505808.

The previous prime is 133718448397. The next prime is 133718448431. The reversal of 133718448405 is 504844817331.

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

It is a cyclic number.

It is not a de Polignac number, because 133718448405 - 2³ = 133718448397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457281599 + ... + 4457281628.

It is an arithmetic number, because the mean of its divisors is an integer number (26743689684).

Almost surely, 2^133718448405 is an apocalyptic number.

133718448405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133718448405 is a deficient number, since it is larger than the sum of its proper divisors (80231069067).

133718448405 is an equidigital number, since it uses as much as digits as its factorization.

133718448405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914563235.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 133718448405 in words is "one hundred thirty-three billion, seven hundred eighteen million, four hundred forty-eight thousand, four hundred five".