135569327 has 2 divisors, whose sum is σ = 135569328. Its totient is φ = 135569326.

The previous prime is 135569323. The next prime is 135569359. The reversal of 135569327 is 723965531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135569327 - 2² = 135569323 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135569323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67784663 + 67784664.

It is an arithmetic number, because the mean of its divisors is an integer number (67784664).

Almost surely, 2^135569327 is an apocalyptic number.

135569327 is a deficient number, since it is larger than the sum of its proper divisors (1).

135569327 is an equidigital number, since it uses as much as digits as its factorization.

135569327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 41.

The square root of 135569327 is about 11643.4241956565. The cubic root of 135569327 is about 513.7129100252.

The spelling of 135569327 in words is "one hundred thirty-five million, five hundred sixty-nine thousand, three hundred twenty-seven".