135552330440 has 16 divisors (see below), whose sum is σ = 304992743580. Its totient is φ = 54220932160.

The previous prime is 135552330413. The next prime is 135552330491. The reversal of 135552330440 is 44033255531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123514290916 + 12038039524 = 351446^2 + 109718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135552330440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694404091 + ... + 1694404170.

Almost surely, 2^135552330440 is an apocalyptic number.

135552330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135552330440 is an abundant number, since it is smaller than the sum of its proper divisors (169440413140).

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

135552330440 is a wasteful number, since it uses less digits than its factorization.

135552330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388808272 (or 3388808268 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 135552330440 its reverse (44033255531), we get a palindrome (179585585971).

The spelling of 135552330440 in words is "one hundred thirty-five billion, five hundred fifty-two million, three hundred thirty thousand, four hundred forty".