133955683 has 2 divisors, whose sum is σ = 133955684. Its totient is φ = 133955682.

The previous prime is 133955617. The next prime is 133955729. The reversal of 133955683 is 386559331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133955683 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (133955603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66977841 + 66977842.

It is an arithmetic number, because the mean of its divisors is an integer number (66977842).

Almost surely, 2^133955683 is an apocalyptic number.

133955683 is a deficient number, since it is larger than the sum of its proper divisors (1).

133955683 is an equidigital number, since it uses as much as digits as its factorization.

133955683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 43.

The square root of 133955683 is about 11573.9225416451. The cubic root of 133955683 is about 511.6665754662. Note that the first 3 decimals are identical.

The spelling of 133955683 in words is "one hundred thirty-three million, nine hundred fifty-five thousand, six hundred eighty-three".