133672844 has 12 divisors (see below), whose sum is σ = 235221168. Its totient is φ = 66466800.

The previous prime is 133672843. The next prime is 133672859. The reversal of 133672844 is 448276331.

It is a junction number, because it is equal to n+sod(n) for n = 133672798 and 133672807.

It is not an unprimeable number, because it can be changed into a prime (133672843) 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 3 ways as a sum of consecutive naturals, for example, 91592 + ... + 93039.

It is an arithmetic number, because the mean of its divisors is an integer number (19601764).

Almost surely, 2^133672844 is an apocalyptic number.

It is an amenable number.

133672844 is a deficient number, since it is larger than the sum of its proper divisors (101548324).

133672844 is a wasteful number, since it uses less digits than its factorization.

133672844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184816 (or 184814 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 133672844 is about 11561.6972802439. The cubic root of 133672844 is about 511.3062044485.

The spelling of 133672844 in words is "one hundred thirty-three million, six hundred seventy-two thousand, eight hundred forty-four".