135966307 has 4 divisors (see below), whose sum is σ = 136014616. Its totient is φ = 135918000.

The previous prime is 135966293. The next prime is 135966329. The reversal of 135966307 is 703669531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703669531 = 4871 ⋅144461.

It is a cyclic number.

It is not a de Polignac number, because 135966307 - 2¹¹ = 135964259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135966307.

It is not an unprimeable number, because it can be changed into a prime (135966707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19653 + ... + 25654.

It is an arithmetic number, because the mean of its divisors is an integer number (34003654).

Almost surely, 2^135966307 is an apocalyptic number.

135966307 is a deficient number, since it is larger than the sum of its proper divisors (48309).

135966307 is an equidigital number, since it uses as much as digits as its factorization.

135966307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48308.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 135966307 is about 11660.4591247515. The cubic root of 135966307 is about 514.2138468836.

The spelling of 135966307 in words is "one hundred thirty-five million, nine hundred sixty-six thousand, three hundred seven".