133435387 has 2 divisors, whose sum is σ = 133435388. Its totient is φ = 133435386.

The previous prime is 133435333. The next prime is 133435429. The reversal of 133435387 is 783534331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133435387 is a prime.

It is not a weakly prime, because it can be changed into another prime (133435307) 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, 66717693 + 66717694.

It is an arithmetic number, because the mean of its divisors is an integer number (66717694).

Almost surely, 2^133435387 is an apocalyptic number.

133435387 is a deficient number, since it is larger than the sum of its proper divisors (1).

133435387 is an equidigital number, since it uses as much as digits as its factorization.

133435387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 133435387 is about 11551.4235919215. The cubic root of 133435387 is about 511.0032628343.

The spelling of 133435387 in words is "one hundred thirty-three million, four hundred thirty-five thousand, three hundred eighty-seven".