135204829 has 2 divisors, whose sum is σ = 135204830. Its totient is φ = 135204828.

The previous prime is 135204827. The next prime is 135204847. The reversal of 135204829 is 928402531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101969604 + 33235225 = 10098^2 + 5765^2 .

It is a cyclic number.

It is not a de Polignac number, because 135204829 - 2¹ = 135204827 is a prime.

Together with 135204827, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 135204794 and 135204803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135204827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67602414 + 67602415.

It is an arithmetic number, because the mean of its divisors is an integer number (67602415).

Almost surely, 2^135204829 is an apocalyptic number.

It is an amenable number.

135204829 is a deficient number, since it is larger than the sum of its proper divisors (1).

135204829 is an equidigital number, since it uses as much as digits as its factorization.

135204829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 135204829 is about 11627.7611344575. The cubic root of 135204829 is about 513.2520993155.

The spelling of 135204829 in words is "one hundred thirty-five million, two hundred four thousand, eight hundred twenty-nine".