135660545839 has 16 divisors (see below), whose sum is σ = 167056465408. Its totient is φ = 107278191072.

The previous prime is 135660545827. The next prime is 135660545941. The reversal of 135660545839 is 938545066531.

It is not a de Polignac number, because 135660545839 - 2⁹ = 135660545327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135660545839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135660555839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229347 + ... + 569140.

It is an arithmetic number, because the mean of its divisors is an integer number (10441029088).

Almost surely, 2^135660545839 is an apocalyptic number.

135660545839 is a deficient number, since it is larger than the sum of its proper divisors (31395919569).

135660545839 is a wasteful number, since it uses less digits than its factorization.

135660545839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800374.

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 135660545839 in words is "one hundred thirty-five billion, six hundred sixty million, five hundred forty-five thousand, eight hundred thirty-nine".