135389726 has 8 divisors (see below), whose sum is σ = 205655520. Its totient is φ = 66837888.

The previous prime is 135389713. The next prime is 135389759. The reversal of 135389726 is 627983531.

135389726 is digitally balanced in base 3, 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 congruent number.

It is an unprimeable number.

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, 428291 + ... + 428606.

It is an arithmetic number, because the mean of its divisors is an integer number (25706940).

Almost surely, 2^135389726 is an apocalyptic number.

135389726 is a deficient number, since it is larger than the sum of its proper divisors (70265794).

135389726 is an equidigital number, since it uses as much as digits as its factorization.

135389726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856978.

The product of its digits is 272160, while the sum is 44.

The square root of 135389726 is about 11635.7090888351. The cubic root of 135389726 is about 513.4859557240.

The spelling of 135389726 in words is "one hundred thirty-five million, three hundred eighty-nine thousand, seven hundred twenty-six".