135244442530 has 16 divisors (see below), whose sum is σ = 243510970104. Its totient is φ = 54082005120.

The previous prime is 135244442479. The next prime is 135244442563. The reversal of 135244442530 is 35244442531.

135244442530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60812053201 + 74432389329 = 246601^2 + 272823^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135244442530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935441 + ... + 2004100.

Almost surely, 2^135244442530 is an apocalyptic number.

135244442530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135244442530 is a deficient number, since it is larger than the sum of its proper divisors (108266527574).

135244442530 is a wasteful number, since it uses less digits than its factorization.

135244442530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942981.

The product of its (nonzero) digits is 230400, while the sum is 37.

Subtracting from 135244442530 its reverse (35244442531), we obtain a palindrome (99999999999).

The spelling of 135244442530 in words is "one hundred thirty-five billion, two hundred forty-four million, four hundred forty-two thousand, five hundred thirty".