135137678913 has 16 divisors (see below), whose sum is σ = 202946491840. Its totient is φ = 88857650592.

The previous prime is 135137678891. The next prime is 135137678933. The reversal of 135137678913 is 319876731531.

It is not a de Polignac number, because 135137678913 - 2¹³ = 135137670721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135137678913.

It is not an unprimeable number, because it can be changed into a prime (135137678933) 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, 34279531 + ... + 34283472.

It is an arithmetic number, because the mean of its divisors is an integer number (12684155740).

Almost surely, 2^135137678913 is an apocalyptic number.

It is an amenable number.

135137678913 is a deficient number, since it is larger than the sum of its proper divisors (67808812927).

135137678913 is an equidigital number, since it uses as much as digits as its factorization.

135137678913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68563085 (or 68563079 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The spelling of 135137678913 in words is "one hundred thirty-five billion, one hundred thirty-seven million, six hundred seventy-eight thousand, nine hundred thirteen".