135536423 has 16 divisors (see below), whose sum is σ = 151289856. Its totient is φ = 120375840.

The previous prime is 135536419. The next prime is 135536437. The reversal of 135536423 is 324635531.

It is a cyclic number.

It is not a de Polignac number, because 135536423 - 2² = 135536419 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 135536423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135536413) 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, 222986 + ... + 223592.

It is an arithmetic number, because the mean of its divisors is an integer number (9455616).

Almost surely, 2^135536423 is an apocalyptic number.

135536423 is a deficient number, since it is larger than the sum of its proper divisors (15753433).

135536423 is a wasteful number, since it uses less digits than its factorization.

135536423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its digits is 32400, while the sum is 32.

The square root of 135536423 is about 11642.0111235130. The cubic root of 135536423 is about 513.6713456151.

The spelling of 135536423 in words is "one hundred thirty-five million, five hundred thirty-six thousand, four hundred twenty-three".