1376427337 has 4 divisors (see below), whose sum is σ = 1395282580. Its totient is φ = 1357572096.

The previous prime is 1376427313. The next prime is 1376427407. The reversal of 1376427337 is 7337246731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7337246731 = 113 ⋅64931387.

It can be written as a sum of positive squares in 2 ways, for example, as 567821241 + 808606096 = 23829^2 + 28436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376427337 - 2²⁷ = 1242209609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1376427293 and 1376427302.

It is not an unprimeable number, because it can be changed into a prime (1376427937) 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 3 ways as a sum of consecutive naturals, for example, 9427512 + ... + 9427657.

It is an arithmetic number, because the mean of its divisors is an integer number (348820645).

Almost surely, 2^1376427337 is an apocalyptic number.

It is an amenable number.

1376427337 is a deficient number, since it is larger than the sum of its proper divisors (18855243).

1376427337 is an equidigital number, since it uses as much as digits as its factorization.

1376427337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18855242.

The product of its digits is 444528, while the sum is 43.

The square root of 1376427337 is about 37100.2336515553. The cubic root of 1376427337 is about 1112.3746842307.

The spelling of 1376427337 in words is "one billion, three hundred seventy-six million, four hundred twenty-seven thousand, three hundred thirty-seven".