1380971067 has 12 divisors (see below), whose sum is σ = 2141914536. Its totient is φ = 789126240.

The previous prime is 1380971063. The next prime is 1380971089. The reversal of 1380971067 is 7601790831.

It is not a de Polignac number, because 1380971067 - 2² = 1380971063 is a prime.

It is a super-2 number, since 2×1380971067² = 3814162175782236978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1380971063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4697034 + ... + 4697327.

It is an arithmetic number, because the mean of its divisors is an integer number (178492878).

Almost surely, 2^1380971067 is an apocalyptic number.

1380971067 is a deficient number, since it is larger than the sum of its proper divisors (760943469).

1380971067 is an equidigital number, since it uses as much as digits as its factorization.

1380971067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9394378 (or 9394371 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1380971067 is about 37161.4190660152. The cubic root of 1380971067 is about 1113.5973613848.

The spelling of 1380971067 in words is "one billion, three hundred eighty million, nine hundred seventy-one thousand, sixty-seven".