135908726 has 4 divisors (see below), whose sum is σ = 203863092. Its totient is φ = 67954362.

The previous prime is 135908723. The next prime is 135908749. The reversal of 135908726 is 627809531.

135908726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135908723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33977180 + ... + 33977183.

It is an arithmetic number, because the mean of its divisors is an integer number (50965773).

Almost surely, 2^135908726 is an apocalyptic number.

135908726 is a deficient number, since it is larger than the sum of its proper divisors (67954366).

135908726 is an equidigital number, since it uses as much as digits as its factorization.

135908726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67954365.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 135908726 is about 11657.9897924128. The cubic root of 135908726 is about 514.1412477010.

The spelling of 135908726 in words is "one hundred thirty-five million, nine hundred eight thousand, seven hundred twenty-six".