1381884118 has 8 divisors (see below), whose sum is σ = 2106807120. Its totient is φ = 679615080.

The previous prime is 1381884109. The next prime is 1381884149. The reversal of 1381884118 is 8114881831.

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

It is a congruent number.

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, 5663338 + ... + 5663581.

It is an arithmetic number, because the mean of its divisors is an integer number (263350890).

Almost surely, 2^1381884118 is an apocalyptic number.

1381884118 is a deficient number, since it is larger than the sum of its proper divisors (724923002).

1381884118 is a wasteful number, since it uses less digits than its factorization.

1381884118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11326982.

The product of its digits is 49152, while the sum is 43.

The square root of 1381884118 is about 37173.7019679235. The cubic root of 1381884118 is about 1113.8427315224.

The spelling of 1381884118 in words is "one billion, three hundred eighty-one million, eight hundred eighty-four thousand, one hundred eighteen".