135253726 has 8 divisors (see below), whose sum is σ = 202953744. Its totient is φ = 67602480.

The previous prime is 135253697. The next prime is 135253739. The reversal of 135253726 is 627352531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135253691 and 135253700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4215 + ... + 16978.

It is an arithmetic number, because the mean of its divisors is an integer number (25369218).

Almost surely, 2^135253726 is an apocalyptic number.

135253726 is a deficient number, since it is larger than the sum of its proper divisors (67700018).

135253726 is a wasteful number, since it uses less digits than its factorization.

135253726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24386.

The product of its digits is 37800, while the sum is 34.

The square root of 135253726 is about 11629.8635417618. The cubic root of 135253726 is about 513.3139646184.

The spelling of 135253726 in words is "one hundred thirty-five million, two hundred fifty-three thousand, seven hundred twenty-six".