135188535 has 8 divisors (see below), whose sum is σ = 216301680. Its totient is φ = 72100544.

The previous prime is 135188533. The next prime is 135188593. The reversal of 135188535 is 535881531.

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

It is a cyclic number.

It is not a de Polignac number, because 135188535 - 2¹ = 135188533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135188493 and 135188502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135188533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4506270 + ... + 4506299.

It is an arithmetic number, because the mean of its divisors is an integer number (27037710).

Almost surely, 2^135188535 is an apocalyptic number.

135188535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135188535 is a deficient number, since it is larger than the sum of its proper divisors (81113145).

135188535 is an equidigital number, since it uses as much as digits as its factorization.

135188535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012577.

The product of its digits is 72000, while the sum is 39.

The square root of 135188535 is about 11627.0604625589. The cubic root of 135188535 is about 513.2314805606.

The spelling of 135188535 in words is "one hundred thirty-five million, one hundred eighty-eight thousand, five hundred thirty-five".