1381324496 has 10 divisors (see below), whose sum is σ = 2676316242. Its totient is φ = 690662240.

The previous prime is 1381324493. The next prime is 1381324513. The reversal of 1381324496 is 6944231831.

It can be written as a sum of positive squares in only one way, i.e., 1032979600 + 348344896 = 32140^2 + 18664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381324493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43166375 + ... + 43166406.

Almost surely, 2^1381324496 is an apocalyptic number.

1381324496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1381324496 is a deficient number, since it is larger than the sum of its proper divisors (1294991746).

1381324496 is an equidigital number, since it uses as much as digits as its factorization.

1381324496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86332789 (or 86332783 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 1381324496 is about 37166.1740834324. The cubic root of 1381324496 is about 1113.6923534862.

The spelling of 1381324496 in words is "one billion, three hundred eighty-one million, three hundred twenty-four thousand, four hundred ninety-six".