135988225786513 has 16 divisors (see below), whose sum is σ = 141513548432256. Its totient is φ = 130571695013760.

The previous prime is 135988225786489. The next prime is 135988225786561. The reversal of 135988225786513 is 315687522889531.

It is a cyclic number.

It is not a de Polignac number, because 135988225786513 - 2⁴¹ = 133789202530961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135988225786613) 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, 19643581 + ... + 25648522.

It is an arithmetic number, because the mean of its divisors is an integer number (8844596777016).

Almost surely, 2^{135988225786513} is an apocalyptic number.

It is an amenable number.

135988225786513 is a deficient number, since it is larger than the sum of its proper divisors (5525322645743).

135988225786513 is a wasteful number, since it uses less digits than its factorization.

135988225786513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45293304.

The product of its digits is 870912000, while the sum is 73.

The spelling of 135988225786513 in words is "one hundred thirty-five trillion, nine hundred eighty-eight billion, two hundred twenty-five million, seven hundred eighty-six thousand, five hundred thirteen".