1381316842 has 8 divisors (see below), whose sum is σ = 2162061216. Its totient is φ = 660629772.

The previous prime is 1381316813. The next prime is 1381316863. The reversal of 1381316842 is 2486131831.

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, 15014268 + ... + 15014359.

It is an arithmetic number, because the mean of its divisors is an integer number (270257652).

Almost surely, 2^1381316842 is an apocalyptic number.

1381316842 is a deficient number, since it is larger than the sum of its proper divisors (780744374).

1381316842 is a wasteful number, since it uses less digits than its factorization.

1381316842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028652.

The product of its digits is 27648, while the sum is 37.

The square root of 1381316842 is about 37166.0711133152. The cubic root of 1381316842 is about 1113.6902964709.

The spelling of 1381316842 in words is "one billion, three hundred eighty-one million, three hundred sixteen thousand, eight hundred forty-two".