133703387 has 2 divisors, whose sum is σ = 133703388. Its totient is φ = 133703386.

The previous prime is 133703371. The next prime is 133703413. The reversal of 133703387 is 783307331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133703387 - 2⁴ = 133703371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133703587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66851693 + 66851694.

It is an arithmetic number, because the mean of its divisors is an integer number (66851694).

Almost surely, 2^133703387 is an apocalyptic number.

133703387 is a deficient number, since it is larger than the sum of its proper divisors (1).

133703387 is an equidigital number, since it uses as much as digits as its factorization.

133703387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 133703387 is about 11563.0180748799. The cubic root of 133703387 is about 511.3451443849.

The spelling of 133703387 in words is "one hundred thirty-three million, seven hundred three thousand, three hundred eighty-seven".