135240052044 has 192 divisors, whose sum is σ = 347171328000. Its totient is φ = 40816742400.

The previous prime is 135240052019. The next prime is 135240052067. The reversal of 135240052044 is 440250042531.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 295929864 + ... + 295930320.

It is an arithmetic number, because the mean of its divisors is an integer number (1808184000).

Almost surely, 2^135240052044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135240052044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173585664000).

135240052044 is an abundant number, since it is smaller than the sum of its proper divisors (211931275956).

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

135240052044 is a wasteful number, since it uses less digits than its factorization.

135240052044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 135240052044 its reverse (440250042531), we get a palindrome (575490094575).

The spelling of 135240052044 in words is "one hundred thirty-five billion, two hundred forty million, fifty-two thousand, forty-four".