1325398618 has 8 divisors (see below), whose sum is σ = 2092734720. Its totient is φ = 627820380.

The previous prime is 1325398603. The next prime is 1325398631. The reversal of 1325398618 is 8168935231.

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

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, 17439418 + ... + 17439493.

It is an arithmetic number, because the mean of its divisors is an integer number (261591840).

Almost surely, 2^1325398618 is an apocalyptic number.

1325398618 is a deficient number, since it is larger than the sum of its proper divisors (767336102).

1325398618 is a wasteful number, since it uses less digits than its factorization.

1325398618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34878932.

The product of its digits is 311040, while the sum is 46.

The square root of 1325398618 is about 36406.0244739796. The cubic root of 1325398618 is about 1098.4547498502.

The spelling of 1325398618 in words is "one billion, three hundred twenty-five million, three hundred ninety-eight thousand, six hundred eighteen".