133672843 has 2 divisors, whose sum is σ = 133672844. Its totient is φ = 133672842.

The previous prime is 133672831. The next prime is 133672859. The reversal of 133672843 is 348276331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133672843 is a prime.

It is not a weakly prime, because it can be changed into another prime (133672873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66836421 + 66836422.

It is an arithmetic number, because the mean of its divisors is an integer number (66836422).

Almost surely, 2^133672843 is an apocalyptic number.

133672843 is a deficient number, since it is larger than the sum of its proper divisors (1).

133672843 is an equidigital number, since it uses as much as digits as its factorization.

133672843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 133672843 is about 11561.6972369977. The cubic root of 133672843 is about 511.3062031735.

The spelling of 133672843 in words is "one hundred thirty-three million, six hundred seventy-two thousand, eight hundred forty-three".