133953683 has 8 divisors (see below), whose sum is σ = 137380320. Its totient is φ = 130534720.

The previous prime is 133953637. The next prime is 133953691. The reversal of 133953683 is 386359331.

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

It is a cyclic number.

It is not a de Polignac number, because 133953683 - 2¹⁰ = 133952659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133953683.

It is not an unprimeable number, because it can be changed into a prime (133953623) 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 7 ways as a sum of consecutive naturals, for example, 52841 + ... + 55317.

It is an arithmetic number, because the mean of its divisors is an integer number (17172540).

Almost surely, 2^133953683 is an apocalyptic number.

133953683 is a deficient number, since it is larger than the sum of its proper divisors (3426637).

133953683 is a wasteful number, since it uses less digits than its factorization.

133953683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its digits is 174960, while the sum is 41.

The square root of 133953683 is about 11573.8361401914. The cubic root of 133953683 is about 511.6640290065.

The spelling of 133953683 in words is "one hundred thirty-three million, nine hundred fifty-three thousand, six hundred eighty-three".