135915638735 has 8 divisors (see below), whose sum is σ = 163129108896. Its totient is φ = 108712282720.

The previous prime is 135915638699. The next prime is 135915638743. The reversal of 135915638735 is 537836519531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135915638735 - 2²⁰ = 135914590159 is a prime.

It is a super-3 number, since 3×135915638735³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498939 + ... + 2552748.

It is an arithmetic number, because the mean of its divisors is an integer number (20391138612).

Almost surely, 2^135915638735 is an apocalyptic number.

135915638735 is a deficient number, since it is larger than the sum of its proper divisors (27213470161).

135915638735 is an equidigital number, since it uses as much as digits as its factorization.

135915638735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057073.

The product of its digits is 10206000, while the sum is 56.

The spelling of 135915638735 in words is "one hundred thirty-five billion, nine hundred fifteen million, six hundred thirty-eight thousand, seven hundred thirty-five".