1380841927 has 4 divisors (see below), whose sum is σ = 1401451576. Its totient is φ = 1360232280.

The previous prime is 1380841919. The next prime is 1380841937. The reversal of 1380841927 is 7291480831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7291480831 = 19 ⋅383762149.

It is a cyclic number.

It is not a de Polignac number, because 1380841927 - 2³ = 1380841919 is a prime.

It is a super-2 number, since 2×1380841927² = 3813448854722146658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380841907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10304724 + ... + 10304857.

It is an arithmetic number, because the mean of its divisors is an integer number (350362894).

Almost surely, 2^1380841927 is an apocalyptic number.

1380841927 is a deficient number, since it is larger than the sum of its proper divisors (20609649).

1380841927 is an equidigital number, since it uses as much as digits as its factorization.

1380841927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20609648.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1380841927 is about 37159.6814706477. The cubic root of 1380841927 is about 1113.5626480227.

The spelling of 1380841927 in words is "one billion, three hundred eighty million, eight hundred forty-one thousand, nine hundred twenty-seven".