135331011444 has 36 divisors (see below), whose sum is σ = 335439851264. Its totient is φ = 42456786816.

The previous prime is 135331011421. The next prime is 135331011449. The reversal of 135331011444 is 444110133531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135331011449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19507924 + ... + 19514859.

Almost surely, 2^135331011444 is an apocalyptic number.

It is an amenable number.

135331011444 is an abundant number, since it is smaller than the sum of its proper divisors (200108839820).

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

135331011444 is a wasteful number, since it uses less digits than its factorization.

135331011444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39022824 (or 39022805 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 135331011444 its reverse (444110133531), we get a palindrome (579441144975).

The spelling of 135331011444 in words is "one hundred thirty-five billion, three hundred thirty-one million, eleven thousand, four hundred forty-four".