1381337108 has 12 divisors (see below), whose sum is σ = 2559536532. Its totient is φ = 650040960.

The previous prime is 1381337101. The next prime is 1381337119. The reversal of 1381337108 is 8017331831.

It can be written as a sum of positive squares in 2 ways, for example, as 947531524 + 433805584 = 30782^2 + 20828^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381337101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10156823 + ... + 10156958.

It is an arithmetic number, because the mean of its divisors is an integer number (213294711).

Almost surely, 2^1381337108 is an apocalyptic number.

It is an amenable number.

1381337108 is a deficient number, since it is larger than the sum of its proper divisors (1178199424).

1381337108 is a wasteful number, since it uses less digits than its factorization.

1381337108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20313802 (or 20313800 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1381337108 is about 37166.3437534552. The cubic root of 1381337108 is about 1113.6957429493.

Adding to 1381337108 its reverse (8017331831), we get a palindrome (9398668939).

The spelling of 1381337108 in words is "one billion, three hundred eighty-one million, three hundred thirty-seven thousand, one hundred eight".