135079829 has 2 divisors, whose sum is σ = 135079830. Its totient is φ = 135079828.

The previous prime is 135079823. The next prime is 135079831. The reversal of 135079829 is 928970531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103999204 + 31080625 = 10198^2 + 5575^2 .

It is a cyclic number.

It is not a de Polignac number, because 135079829 - 2⁸ = 135079573 is a prime.

Together with 135079831, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135079829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135079823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67539914 + 67539915.

It is an arithmetic number, because the mean of its divisors is an integer number (67539915).

Almost surely, 2^135079829 is an apocalyptic number.

It is an amenable number.

135079829 is a deficient number, since it is larger than the sum of its proper divisors (1).

135079829 is an equidigital number, since it uses as much as digits as its factorization.

135079829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 135079829 is about 11622.3848241228. The cubic root of 135079829 is about 513.0938793899.

The spelling of 135079829 in words is "one hundred thirty-five million, seventy-nine thousand, eight hundred twenty-nine".