136307726 has 8 divisors (see below), whose sum is σ = 204547464. Its totient is φ = 68125240.

The previous prime is 136307707. The next prime is 136307749. The reversal of 136307726 is 627703631.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 7760 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (25568433).

Almost surely, 2^136307726 is an apocalyptic number.

136307726 is a deficient number, since it is larger than the sum of its proper divisors (68239738).

136307726 is a wasteful number, since it uses less digits than its factorization.

136307726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 136307726 is about 11675.0899782400. The cubic root of 136307726 is about 514.6438937017.

The spelling of 136307726 in words is "one hundred thirty-six million, three hundred seven thousand, seven hundred twenty-six".