135636672535 has 32 divisors (see below), whose sum is σ = 200486160000. Its totient is φ = 85784444928.

The previous prime is 135636672511. The next prime is 135636672581. The reversal of 135636672535 is 535276636531.

It is not a de Polignac number, because 135636672535 - 2¹⁵ = 135636639767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448959 + ... + 687631.

It is an arithmetic number, because the mean of its divisors is an integer number (6265192500).

Almost surely, 2^135636672535 is an apocalyptic number.

135636672535 is a deficient number, since it is larger than the sum of its proper divisors (64849487465).

135636672535 is a wasteful number, since it uses less digits than its factorization.

135636672535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239947.

The product of its digits is 10206000, while the sum is 52.

The spelling of 135636672535 in words is "one hundred thirty-five billion, six hundred thirty-six million, six hundred seventy-two thousand, five hundred thirty-five".