135443149556 has 48 divisors (see below), whose sum is σ = 278543323968. Its totient is φ = 56813011200.

The previous prime is 135443149553. The next prime is 135443149579. The reversal of 135443149556 is 655941344531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135443149553) 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 15 ways as a sum of consecutive naturals, for example, 2079176 + ... + 2143328.

It is an arithmetic number, because the mean of its divisors is an integer number (5802985916).

Almost surely, 2^135443149556 is an apocalyptic number.

It is an amenable number.

135443149556 is an abundant number, since it is smaller than the sum of its proper divisors (143100174412).

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

135443149556 is a wasteful number, since it uses less digits than its factorization.

135443149556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67872 (or 67870 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 50.

The spelling of 135443149556 in words is "one hundred thirty-five billion, four hundred forty-three million, one hundred forty-nine thousand, five hundred fifty-six".