135868433733 has 24 divisors (see below), whose sum is σ = 203175692928. Its totient is φ = 87437316672.

The previous prime is 135868433713. The next prime is 135868433773. The reversal of 135868433733 is 337334868531.

135868433733 is a `hidden beast` number, since 13 + 586 + 8 + 43 + 3 + 7 + 3 + 3 = 666.

It is not a de Polignac number, because 135868433733 - 2¹³ = 135868425541 is a prime.

It is a super-2 number, since 2×135868433733² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135868433733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135868433713) 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 23 ways as a sum of consecutive naturals, for example, 2169135 + ... + 2230892.

It is an arithmetic number, because the mean of its divisors is an integer number (8465653872).

Almost surely, 2^135868433733 is an apocalyptic number.

It is an amenable number.

135868433733 is a deficient number, since it is larger than the sum of its proper divisors (67307259195).

135868433733 is a wasteful number, since it uses less digits than its factorization.

135868433733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400153 (or 4400150 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 135868433733 in words is "one hundred thirty-five billion, eight hundred sixty-eight million, four hundred thirty-three thousand, seven hundred thirty-three".