135703129 has 6 divisors (see below), whose sum is σ = 144155534. Its totient is φ = 127720320.

The previous prime is 135703109. The next prime is 135703157. The reversal of 135703129 is 921307531.

It can be written as a sum of positive squares in 3 ways, for example, as 40347904 + 95355225 = 6352^2 + 9765^2 .

It is not a de Polignac number, because 135703129 - 2¹⁷ = 135572057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135703129.

It is not an unprimeable number, because it can be changed into a prime (135703109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234492 + ... + 235069.

Almost surely, 2^135703129 is an apocalyptic number.

It is an amenable number.

135703129 is a deficient number, since it is larger than the sum of its proper divisors (8452405).

135703129 is an equidigital number, since it uses as much as digits as its factorization.

135703129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469595 (or 469578 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 135703129 is about 11649.1685969429. The cubic root of 135703129 is about 513.8818597806.

The spelling of 135703129 in words is "one hundred thirty-five million, seven hundred three thousand, one hundred twenty-nine".