133807856379 has 8 divisors (see below), whose sum is σ = 178752915792. Its totient is φ = 89034017280.

The previous prime is 133807856327. The next prime is 133807856381. The reversal of 133807856379 is 973658708331.

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

It is not a de Polignac number, because 133807856379 - 2⁸ = 133807856123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133807056379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42803254 + ... + 42806379.

It is an arithmetic number, because the mean of its divisors is an integer number (22344114474).

Almost surely, 2^133807856379 is an apocalyptic number.

133807856379 is a deficient number, since it is larger than the sum of its proper divisors (44945059413).

133807856379 is an equidigital number, since it uses as much as digits as its factorization.

133807856379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85610157.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 133807856379 in words is "one hundred thirty-three billion, eight hundred seven million, eight hundred fifty-six thousand, three hundred seventy-nine".