133860843 has 20 divisors (see below), whose sum is σ = 200288880. Its totient is φ = 89096112.

The previous prime is 133860827. The next prime is 133860847. The reversal of 133860843 is 348068331.

It is a happy number.

133860843 is a `hidden beast` number, since 1 + 3 + 3 + 8 + 608 + 43 = 666.

It is not a de Polignac number, because 133860843 - 2⁴ = 133860827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133860798 and 133860807.

It is not an unprimeable number, because it can be changed into a prime (133860847) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 77473 + ... + 79181.

It is an arithmetic number, because the mean of its divisors is an integer number (10014444).

Almost surely, 2^133860843 is an apocalyptic number.

133860843 is a deficient number, since it is larger than the sum of its proper divisors (66428037).

133860843 is an equidigital number, since it uses as much as digits as its factorization.

133860843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 133860843 is about 11569.8246745575. The cubic root of 133860843 is about 511.5457944397.

The spelling of 133860843 in words is "one hundred thirty-three million, eight hundred sixty thousand, eight hundred forty-three".