133444685 has 8 divisors (see below), whose sum is σ = 174691296. Its totient is φ = 97050640.

The previous prime is 133444673. The next prime is 133444691. The reversal of 133444685 is 586444331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133444685 - 2⁴ = 133444669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213079 + ... + 1213188.

It is an arithmetic number, because the mean of its divisors is an integer number (21836412).

Almost surely, 2^133444685 is an apocalyptic number.

It is an amenable number.

133444685 is a deficient number, since it is larger than the sum of its proper divisors (41246611).

133444685 is a wasteful number, since it uses less digits than its factorization.

133444685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426283.

The product of its digits is 138240, while the sum is 38.

The square root of 133444685 is about 11551.8260461279. The cubic root of 133444685 is about 511.0151317448.

The spelling of 133444685 in words is "one hundred thirty-three million, four hundred forty-four thousand, six hundred eighty-five".