135605510 has 8 divisors (see below), whose sum is σ = 244089936. Its totient is φ = 54242200.

The previous prime is 135605507. The next prime is 135605513. The reversal of 135605510 is 15506531.

It is an interprime number because it is at equal distance from previous prime (135605507) and next prime (135605513).

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

It is a self number, because there is not a number n which added to its sum of digits gives 135605510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135605513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6780266 + ... + 6780285.

It is an arithmetic number, because the mean of its divisors is an integer number (30511242).

Almost surely, 2^135605510 is an apocalyptic number.

135605510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135605510 is a deficient number, since it is larger than the sum of its proper divisors (108484426).

135605510 is a wasteful number, since it uses less digits than its factorization.

135605510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560558.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 135605510 is about 11644.9778874844. The cubic root of 135605510 is about 513.7586087124.

The spelling of 135605510 in words is "one hundred thirty-five million, six hundred five thousand, five hundred ten".