135443767756 has 24 divisors (see below), whose sum is σ = 258837594624. Its totient is φ = 61502699280.

The previous prime is 135443767751. The next prime is 135443767757. The reversal of 135443767756 is 657767344531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135443767756.

It is not an unprimeable number, because it can be changed into a prime (135443767751) 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 7 ways as a sum of consecutive naturals, for example, 1522500 + ... + 1609003.

It is an arithmetic number, because the mean of its divisors is an integer number (10784899776).

Almost surely, 2^135443767756 is an apocalyptic number.

It is an amenable number.

135443767756 is a deficient number, since it is larger than the sum of its proper divisors (123393826868).

135443767756 is a wasteful number, since it uses less digits than its factorization.

135443767756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132501 (or 3132499 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 58.

The spelling of 135443767756 in words is "one hundred thirty-five billion, four hundred forty-three million, seven hundred sixty-seven thousand, seven hundred fifty-six".