135686703 has 4 divisors (see below), whose sum is σ = 180915608. Its totient is φ = 90457800.

The previous prime is 135686693. The next prime is 135686713. The reversal of 135686703 is 307686531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307686531 = 3 ⋅102562177.

It is an interprime number because it is at equal distance from previous prime (135686693) and next prime (135686713).

It is not a de Polignac number, because 135686703 - 2⁹ = 135686191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135686713) 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, 22614448 + ... + 22614453.

It is an arithmetic number, because the mean of its divisors is an integer number (45228902).

Almost surely, 2^135686703 is an apocalyptic number.

135686703 is a deficient number, since it is larger than the sum of its proper divisors (45228905).

135686703 is an equidigital number, since it uses as much as digits as its factorization.

135686703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45228904.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 135686703 is about 11648.4635467516. The cubic root of 135686703 is about 513.8611249012.

The spelling of 135686703 in words is "one hundred thirty-five million, six hundred eighty-six thousand, seven hundred three".