135242265 has 16 divisors (see below), whose sum is σ = 220992768. Its totient is φ = 70594176.

The previous prime is 135242257. The next prime is 135242281. The reversal of 135242265 is 562242531.

It is not a de Polignac number, because 135242265 - 2³ = 135242257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95212 + ... + 96621.

It is an arithmetic number, because the mean of its divisors is an integer number (13812048).

Almost surely, 2^135242265 is an apocalyptic number.

135242265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135242265 is a deficient number, since it is larger than the sum of its proper divisors (85750503).

135242265 is a wasteful number, since it uses less digits than its factorization.

135242265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191888.

The product of its digits is 14400, while the sum is 30.

The square root of 135242265 is about 11629.3707912337. The cubic root of 135242265 is about 513.2994653074.

Adding to 135242265 its reverse (562242531), we get a palindrome (697484796).

The spelling of 135242265 in words is "one hundred thirty-five million, two hundred forty-two thousand, two hundred sixty-five".