135817327 has 2 divisors, whose sum is σ = 135817328. Its totient is φ = 135817326.

The previous prime is 135817309. The next prime is 135817337. The reversal of 135817327 is 723718531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135817327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135817307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67908663 + 67908664.

It is an arithmetic number, because the mean of its divisors is an integer number (67908664).

Almost surely, 2^135817327 is an apocalyptic number.

135817327 is a deficient number, since it is larger than the sum of its proper divisors (1).

135817327 is an equidigital number, since it uses as much as digits as its factorization.

135817327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The square root of 135817327 is about 11654.0691176945. The cubic root of 135817327 is about 514.0259680441.

The spelling of 135817327 in words is "one hundred thirty-five million, eight hundred seventeen thousand, three hundred twenty-seven".