133755887 has 2 divisors, whose sum is σ = 133755888. Its totient is φ = 133755886.

The previous prime is 133755871. The next prime is 133755901. The reversal of 133755887 is 788557331.

It is a strong prime.

It is an emirp because it is prime and its reverse (788557331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133755887 - 2⁴ = 133755871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133755857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66877943 + 66877944.

It is an arithmetic number, because the mean of its divisors is an integer number (66877944).

Almost surely, 2^133755887 is an apocalyptic number.

133755887 is a deficient number, since it is larger than the sum of its proper divisors (1).

133755887 is an equidigital number, since it uses as much as digits as its factorization.

133755887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 47.

The square root of 133755887 is about 11565.2880206245. The cubic root of 133755887 is about 511.4120639240.

The spelling of 133755887 in words is "one hundred thirty-three million, seven hundred fifty-five thousand, eight hundred eighty-seven".