135669705 has 8 divisors (see below), whose sum is σ = 217071552. Its totient is φ = 72357168.

The previous prime is 135669691. The next prime is 135669719. The reversal of 135669705 is 507966531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135669691) and next prime (135669719).

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

It is not a de Polignac number, because 135669705 - 2⁴ = 135669689 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522309 + ... + 4522338.

It is an arithmetic number, because the mean of its divisors is an integer number (27133944).

Almost surely, 2^135669705 is an apocalyptic number.

135669705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135669705 is a deficient number, since it is larger than the sum of its proper divisors (81401847).

135669705 is an equidigital number, since it uses as much as digits as its factorization.

135669705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044655.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 135669705 is about 11647.7338997764. The cubic root of 135669705 is about 513.8396662125.

The spelling of 135669705 in words is "one hundred thirty-five million, six hundred sixty-nine thousand, seven hundred five".