135240826 has 16 divisors (see below), whose sum is σ = 232709760. Its totient is φ = 57743280.

The previous prime is 135240823. The next prime is 135240839. The reversal of 135240826 is 628042531.

135240826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (135240823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14190 + ... + 21721.

It is an arithmetic number, because the mean of its divisors is an integer number (14544360).

Almost surely, 2^135240826 is an apocalyptic number.

135240826 is a deficient number, since it is larger than the sum of its proper divisors (97468934).

135240826 is a wasteful number, since it uses less digits than its factorization.

135240826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36189.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 135240826 is about 11629.3089218577. The cubic root of 135240826 is about 513.2976447706.

The spelling of 135240826 in words is "one hundred thirty-five million, two hundred forty thousand, eight hundred twenty-six".