133782863 has 2 divisors, whose sum is σ = 133782864. Its totient is φ = 133782862.

The previous prime is 133782851. The next prime is 133782871. The reversal of 133782863 is 368287331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133782863 - 2⁶ = 133782799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133782863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133782263) 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 as a sum of consecutive naturals, namely, 66891431 + 66891432.

It is an arithmetic number, because the mean of its divisors is an integer number (66891432).

Almost surely, 2^133782863 is an apocalyptic number.

133782863 is a deficient number, since it is larger than the sum of its proper divisors (1).

133782863 is an equidigital number, since it uses as much as digits as its factorization.

133782863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 133782863 is about 11566.4542103447. The cubic root of 133782863 is about 511.4464422850.

The spelling of 133782863 in words is "one hundred thirty-three million, seven hundred eighty-two thousand, eight hundred sixty-three".