1381068448 has 24 divisors (see below), whose sum is σ = 2725144128. Its totient is φ = 688968384.

The previous prime is 1381068413. The next prime is 1381068449. The reversal of 1381068448 is 8448601831.

It is a super-2 number, since 2×1381068448² = 3814700116122257408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1381068449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34536 + ... + 62887.

It is an arithmetic number, because the mean of its divisors is an integer number (113547672).

Almost surely, 2^1381068448 is an apocalyptic number.

It is an amenable number.

1381068448 is a deficient number, since it is larger than the sum of its proper divisors (1344075680).

1381068448 is an equidigital number, since it uses as much as digits as its factorization.

1381068448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97876 (or 97868 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 1381068448 is about 37162.7292862082. The cubic root of 1381068448 is about 1113.6235363662.

The spelling of 1381068448 in words is "one billion, three hundred eighty-one million, sixty-eight thousand, four hundred forty-eight".