1381376319 has 16 divisors (see below), whose sum is σ = 1877550720. Its totient is φ = 903180960.

The previous prime is 1381376317. The next prime is 1381376329. The reversal of 1381376319 is 9136731831.

It is not a de Polignac number, because 1381376319 - 2¹ = 1381376317 is a prime.

It is a super-2 number, since 2×1381376319² = 3816401069387979522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381376317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31024 + ... + 61034.

It is an arithmetic number, because the mean of its divisors is an integer number (117346920).

Almost surely, 2^1381376319 is an apocalyptic number.

1381376319 is a deficient number, since it is larger than the sum of its proper divisors (496174401).

1381376319 is a wasteful number, since it uses less digits than its factorization.

1381376319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30310.

The product of its digits is 81648, while the sum is 42.

The square root of 1381376319 is about 37166.8712565371. The cubic root of 1381376319 is about 1113.7062807368.

The spelling of 1381376319 in words is "one billion, three hundred eighty-one million, three hundred seventy-six thousand, three hundred nineteen".