133807845869 has 16 divisors (see below), whose sum is σ = 144193919040. Its totient is φ = 123704590080.

The previous prime is 133807845863. The next prime is 133807845881. The reversal of 133807845869 is 968548708331.

It is a cyclic number.

It is not a de Polignac number, because 133807845869 - 2¹⁶ = 133807780333 is a prime.

It is a super-2 number, since 2×133807845869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133807845863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234859 + ... + 1338839.

It is an arithmetic number, because the mean of its divisors is an integer number (9012119940).

Almost surely, 2^133807845869 is an apocalyptic number.

It is an amenable number.

133807845869 is a deficient number, since it is larger than the sum of its proper divisors (10386073171).

133807845869 is a wasteful number, since it uses less digits than its factorization.

133807845869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105340.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 133807845869 in words is "one hundred thirty-three billion, eight hundred seven million, eight hundred forty-five thousand, eight hundred sixty-nine".