135665230 has 8 divisors (see below), whose sum is σ = 244197432. Its totient is φ = 54266088.

The previous prime is 135665221. The next prime is 135665239. The reversal of 135665230 is 32566531.

It is an interprime number because it is at equal distance from previous prime (135665221) and next prime (135665239).

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

It is a junction number, because it is equal to n+sod(n) for n = 135665192 and 135665201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135665239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6783252 + ... + 6783271.

It is an arithmetic number, because the mean of its divisors is an integer number (30524679).

Almost surely, 2^135665230 is an apocalyptic number.

135665230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135665230 is a deficient number, since it is larger than the sum of its proper divisors (108532202).

135665230 is a wasteful number, since it uses less digits than its factorization.

135665230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13566530.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 135665230 is about 11647.5418007406. The cubic root of 135665230 is about 513.8340165656.

The spelling of 135665230 in words is "one hundred thirty-five million, six hundred sixty-five thousand, two hundred thirty".