135260669 has 8 divisors (see below), whose sum is σ = 140057760. Its totient is φ = 130472496.

The previous prime is 135260659. The next prime is 135260683. The reversal of 135260669 is 966062531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135260669 is a prime.

It is a super-2 number, since 2×135260669² = 36590897156655122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135260659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48614 + ... + 51320.

It is an arithmetic number, because the mean of its divisors is an integer number (17507220).

Almost surely, 2^135260669 is an apocalyptic number.

It is an amenable number.

135260669 is a deficient number, since it is larger than the sum of its proper divisors (4797091).

135260669 is a wasteful number, since it uses less digits than its factorization.

135260669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 135260669 is about 11630.1620367044. The cubic root of 135260669 is about 513.3227478093.

The spelling of 135260669 in words is "one hundred thirty-five million, two hundred sixty thousand, six hundred sixty-nine".