135818827 has 2 divisors, whose sum is σ = 135818828. Its totient is φ = 135818826.

The previous prime is 135818779. The next prime is 135818857. The reversal of 135818827 is 728818531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135818827 - 2⁷ = 135818699 is a prime.

It is not a weakly prime, because it can be changed into another prime (135818857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67909413 + 67909414.

It is an arithmetic number, because the mean of its divisors is an integer number (67909414).

Almost surely, 2^135818827 is an apocalyptic number.

135818827 is a deficient number, since it is larger than the sum of its proper divisors (1).

135818827 is an equidigital number, since it uses as much as digits as its factorization.

135818827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 43.

The square root of 135818827 is about 11654.1334727212. The cubic root of 135818827 is about 514.0278603803.

The spelling of 135818827 in words is "one hundred thirty-five million, eight hundred eighteen thousand, eight hundred twenty-seven".