135727307 has 4 divisors (see below), whose sum is σ = 138883800. Its totient is φ = 132570816.

The previous prime is 135727289. The next prime is 135727321. The reversal of 135727307 is 703727531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135727307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135727357) 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, 1578182 + ... + 1578267.

It is an arithmetic number, because the mean of its divisors is an integer number (34720950).

Almost surely, 2^135727307 is an apocalyptic number.

135727307 is a deficient number, since it is larger than the sum of its proper divisors (3156493).

135727307 is an equidigital number, since it uses as much as digits as its factorization.

135727307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156492.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 135727307 is about 11650.2063071862. The cubic root of 135727307 is about 513.9123771260.

The spelling of 135727307 in words is "one hundred thirty-five million, seven hundred twenty-seven thousand, three hundred seven".