136686703 has 8 divisors (see below), whose sum is σ = 144251120. Its totient is φ = 129159360.

The previous prime is 136686689. The next prime is 136686707. The reversal of 136686703 is 307686631.

136686703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-136686703 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 (136686707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518 + ... + 16603.

It is an arithmetic number, because the mean of its divisors is an integer number (18031390).

Almost surely, 2^136686703 is an apocalyptic number.

136686703 is a deficient number, since it is larger than the sum of its proper divisors (7564417).

136686703 is a wasteful number, since it uses less digits than its factorization.

136686703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18537.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 136686703 is about 11691.3088659910. The cubic root of 136686703 is about 515.1204079539.

The spelling of 136686703 in words is "one hundred thirty-six million, six hundred eighty-six thousand, seven hundred three".