135280633 has 2 divisors, whose sum is σ = 135280634. Its totient is φ = 135280632.

The previous prime is 135280619. The next prime is 135280657. The reversal of 135280633 is 336082531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75481344 + 59799289 = 8688^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 135280633 - 2²⁵ = 101726201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135280595 and 135280604.

It is not a weakly prime, because it can be changed into another prime (135281633) 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, 67640316 + 67640317.

It is an arithmetic number, because the mean of its divisors is an integer number (67640317).

Almost surely, 2^135280633 is an apocalyptic number.

It is an amenable number.

135280633 is a deficient number, since it is larger than the sum of its proper divisors (1).

135280633 is an equidigital number, since it uses as much as digits as its factorization.

135280633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 135280633 is about 11631.0202905850. The cubic root of 135280633 is about 513.3480014455.

The spelling of 135280633 in words is "one hundred thirty-five million, two hundred eighty thousand, six hundred thirty-three".