133673841 has 32 divisors (see below), whose sum is σ = 228096000. Its totient is φ = 75787920.

The previous prime is 133673831. The next prime is 133673843. The reversal of 133673841 is 148376331.

It is not a de Polignac number, because 133673841 - 2⁵ = 133673809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133673796 and 133673805.

It is not an unprimeable number, because it can be changed into a prime (133673843) 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 31 ways as a sum of consecutive naturals, for example, 22060 + ... + 27458.

It is an arithmetic number, because the mean of its divisors is an integer number (7128000).

Almost surely, 2^133673841 is an apocalyptic number.

It is an amenable number.

133673841 is a deficient number, since it is larger than the sum of its proper divisors (94422159).

133673841 is a wasteful number, since it uses less digits than its factorization.

133673841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546 (or 5540 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 133673841 is about 11561.7403966704. The cubic root of 133673841 is about 511.3074756392.

The spelling of 133673841 in words is "one hundred thirty-three million, six hundred seventy-three thousand, eight hundred forty-one".