1377381914 has 12 divisors (see below), whose sum is σ = 2105799486. Its totient is φ = 675694032.

The previous prime is 1377381899. The next prime is 1377381923. The reversal of 1377381914 is 4191837731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1190595025 + 186786889 = 34505^2 + 13667^2 .

It is a Curzon number.

It is an unprimeable number.

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, 116969 + ... + 128204.

Almost surely, 2^1377381914 is an apocalyptic number.

1377381914 is a deficient number, since it is larger than the sum of its proper divisors (728417572).

1377381914 is an equidigital number, since it uses as much as digits as its factorization.

1377381914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245281 (or 245228 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 1377381914 is about 37113.0962599458. The cubic root of 1377381914 is about 1112.6317753934.

The spelling of 1377381914 in words is "one billion, three hundred seventy-seven million, three hundred eighty-one thousand, nine hundred fourteen".