1381348400 has 30 divisors (see below), whose sum is σ = 3318690492. Its totient is φ = 552539200.

The previous prime is 1381348391. The next prime is 1381348403. The reversal of 1381348400 is 48431831.

It is not an unprimeable number, because it can be changed into a prime (1381348403) 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 5 ways as a sum of consecutive naturals, for example, 1726286 + ... + 1727085.

Almost surely, 2^1381348400 is an apocalyptic number.

1381348400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1381348400 is an abundant number, since it is smaller than the sum of its proper divisors (1937342092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381348400 is a wasteful number, since it uses less digits than its factorization.

1381348400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453389 (or 3453378 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1381348400 is about 37166.4956647785. The cubic root of 1381348400 is about 1113.6987776461.

The spelling of 1381348400 in words is "one billion, three hundred eighty-one million, three hundred forty-eight thousand, four hundred".