135793789729 has 16 divisors (see below), whose sum is σ = 147354636240. Its totient is φ = 124394250240.

The previous prime is 135793789679. The next prime is 135793789751. The reversal of 135793789729 is 927987397531.

It can be written as a sum of positive squares in 8 ways, for example, as 2241549025 + 133552240704 = 47345^2 + 365448^2 .

It is not a de Polignac number, because 135793789729 - 2⁹ = 135793789217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135793789759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1610049 + ... + 1692289.

It is an arithmetic number, because the mean of its divisors is an integer number (9209664765).

Almost surely, 2^135793789729 is an apocalyptic number.

It is an amenable number.

135793789729 is a deficient number, since it is larger than the sum of its proper divisors (11560846511).

135793789729 is a wasteful number, since it uses less digits than its factorization.

135793789729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83220.

The product of its digits is 180033840, while the sum is 70.

The spelling of 135793789729 in words is "one hundred thirty-five billion, seven hundred ninety-three million, seven hundred eighty-nine thousand, seven hundred twenty-nine".