135001729 has 2 divisors, whose sum is σ = 135001730. Its totient is φ = 135001728.

The previous prime is 135001721. The next prime is 135001733. The reversal of 135001729 is 927100531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122611329 + 12390400 = 11073^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 135001729 - 2³ = 135001721 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135001697 and 135001706.

It is not a weakly prime, because it can be changed into another prime (135001721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67500864 + 67500865.

It is an arithmetic number, because the mean of its divisors is an integer number (67500865).

Almost surely, 2^135001729 is an apocalyptic number.

It is an amenable number.

135001729 is a deficient number, since it is larger than the sum of its proper divisors (1).

135001729 is an equidigital number, since it uses as much as digits as its factorization.

135001729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 135001729 is about 11619.0244426974. The cubic root of 135001729 is about 512.9949740295.

The spelling of 135001729 in words is "one hundred thirty-five million, one thousand, seven hundred twenty-nine".