135844818 has 16 divisors (see below), whose sum is σ = 271945056. Its totient is φ = 45239040.

The previous prime is 135844799. The next prime is 135844823. The reversal of 135844818 is 818448531.

It is a self number, because there is not a number n which added to its sum of digits gives 135844818.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3343 + ... + 16818.

It is an arithmetic number, because the mean of its divisors is an integer number (16996566).

Almost surely, 2^135844818 is an apocalyptic number.

135844818 is an abundant number, since it is smaller than the sum of its proper divisors (136100238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135844818 is a wasteful number, since it uses less digits than its factorization.

135844818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21289.

The product of its digits is 122880, while the sum is 42.

The square root of 135844818 is about 11655.2485172990. The cubic root of 135844818 is about 514.0606473075.

The spelling of 135844818 in words is "one hundred thirty-five million, eight hundred forty-four thousand, eight hundred eighteen".