135204827 has 2 divisors, whose sum is σ = 135204828. Its totient is φ = 135204826.

The previous prime is 135204809. The next prime is 135204829. The reversal of 135204827 is 728402531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135204827 - 2⁶ = 135204763 is a prime.

Together with 135204829, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135204793 and 135204802.

It is not a weakly prime, because it can be changed into another prime (135204829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67602413 + 67602414.

It is an arithmetic number, because the mean of its divisors is an integer number (67602414).

Almost surely, 2^135204827 is an apocalyptic number.

135204827 is a deficient number, since it is larger than the sum of its proper divisors (1).

135204827 is an equidigital number, since it uses as much as digits as its factorization.

135204827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 135204827 is about 11627.7610484564. The cubic root of 135204827 is about 513.2520967847.

The spelling of 135204827 in words is "one hundred thirty-five million, two hundred four thousand, eight hundred twenty-seven".