1364805618 has 16 divisors (see below), whose sum is σ = 2977757856. Its totient is φ = 413577440.

The previous prime is 1364805601. The next prime is 1364805619. The reversal of 1364805618 is 8165084631.

It is a self number, because there is not a number n which added to its sum of digits gives 1364805618.

It is not an unprimeable number, because it can be changed into a prime (1364805619) 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, 10339371 + ... + 10339502.

It is an arithmetic number, because the mean of its divisors is an integer number (186109866).

Almost surely, 2^1364805618 is an apocalyptic number.

1364805618 is an abundant number, since it is smaller than the sum of its proper divisors (1612952238).

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

1364805618 is a wasteful number, since it uses less digits than its factorization.

1364805618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20678889.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1364805618 is about 36943.2756804266. The cubic root of 1364805618 is about 1109.2350918801.

The spelling of 1364805618 in words is "one billion, three hundred sixty-four million, eight hundred five thousand, six hundred eighteen".