1381418746 has 8 divisors (see below), whose sum is σ = 2073560544. Its totient is φ = 690231900.

The previous prime is 1381418737. The next prime is 1381418821. The reversal of 1381418746 is 6478141831.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235110 + ... + 240913.

It is an arithmetic number, because the mean of its divisors is an integer number (259195068).

Almost surely, 2^1381418746 is an apocalyptic number.

1381418746 is a deficient number, since it is larger than the sum of its proper divisors (692141798).

1381418746 is a wasteful number, since it uses less digits than its factorization.

1381418746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477476.

The product of its digits is 129024, while the sum is 43.

The square root of 1381418746 is about 37167.4420158289. The cubic root of 1381418746 is about 1113.7176825858.

The spelling of 1381418746 in words is "one billion, three hundred eighty-one million, four hundred eighteen thousand, seven hundred forty-six".