1819327148 has 24 divisors (see below), whose sum is σ = 3462221952. Its totient is φ = 833013504.

The previous prime is 1819327109. The next prime is 1819327177. The reversal of 1819327148 is 8417239181.

It is a junction number, because it is equal to n+sod(n) for n = 1819327099 and 1819327108.

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, 359036 + ... + 364067.

It is an arithmetic number, because the mean of its divisors is an integer number (144259248).

Almost surely, 2^1819327148 is an apocalyptic number.

It is an amenable number.

1819327148 is a deficient number, since it is larger than the sum of its proper divisors (1642894804).

1819327148 is a wasteful number, since it uses less digits than its factorization.

1819327148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723161 (or 723159 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 1819327148 is about 42653.5713393380. The cubic root of 1819327148 is about 1220.7786724798.

The spelling of 1819327148 in words is "one billion, eight hundred nineteen million, three hundred twenty-seven thousand, one hundred forty-eight".