135726573 has 8 divisors (see below), whose sum is σ = 181035936. Its totient is φ = 90450800.

The previous prime is 135726559. The next prime is 135726581. The reversal of 135726573 is 375627531.

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

It is a cyclic number.

It is not a de Polignac number, because 135726573 - 2⁵ = 135726541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135726593) 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 7 ways as a sum of consecutive naturals, for example, 3403 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (22629492).

Almost surely, 2^135726573 is an apocalyptic number.

It is an amenable number.

135726573 is a deficient number, since it is larger than the sum of its proper divisors (45309363).

135726573 is a wasteful number, since it uses less digits than its factorization.

135726573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16795.

The product of its digits is 132300, while the sum is 39.

The square root of 135726573 is about 11650.1748055555. The cubic root of 135726573 is about 513.9114507284.

The spelling of 135726573 in words is "one hundred thirty-five million, seven hundred twenty-six thousand, five hundred seventy-three".