135204445240 has 16 divisors (see below), whose sum is σ = 304210001880. Its totient is φ = 54081778080.

The previous prime is 135204445217. The next prime is 135204445247. The reversal of 135204445240 is 42544402531.

It is a junction number, because it is equal to n+sod(n) for n = 135204445196 and 135204445205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135204445247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690055526 + ... + 1690055605.

Almost surely, 2^135204445240 is an apocalyptic number.

135204445240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135204445240 is an abundant number, since it is smaller than the sum of its proper divisors (169005556640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135204445240 is a wasteful number, since it uses less digits than its factorization.

135204445240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380111142 (or 3380111138 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 135204445240 its reverse (42544402531), we get a palindrome (177748847771).

The spelling of 135204445240 in words is "one hundred thirty-five billion, two hundred four million, four hundred forty-five thousand, two hundred forty".