133337685 has 16 divisors (see below), whose sum is σ = 229751424. Its totient is φ = 65643072.

The previous prime is 133337683. The next prime is 133337689. The reversal of 133337685 is 586733331.

It is not a de Polignac number, because 133337685 - 2¹ = 133337683 is a prime.

It is a super-3 number, since 3×133337685³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133337683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341697 + ... + 342086.

It is an arithmetic number, because the mean of its divisors is an integer number (14359464).

Almost surely, 2^133337685 is an apocalyptic number.

133337685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133337685 is a deficient number, since it is larger than the sum of its proper divisors (96413739).

133337685 is a wasteful number, since it uses less digits than its factorization.

133337685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683804.

The product of its digits is 136080, while the sum is 39.

The square root of 133337685 is about 11547.1938149492. The cubic root of 133337685 is about 510.8785127406.

The spelling of 133337685 in words is "one hundred thirty-three million, three hundred thirty-seven thousand, six hundred eighty-five".