1396782107 has 8 divisors (see below), whose sum is σ = 1623379200. Its totient is φ = 1176949224.

The previous prime is 1396782103. The next prime is 1396782133. The reversal of 1396782107 is 7012876931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1396782107 - 2² = 1396782103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396782103) 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 7 ways as a sum of consecutive naturals, for example, 1690607 + ... + 1691432.

It is an arithmetic number, because the mean of its divisors is an integer number (202922400).

Almost surely, 2^1396782107 is an apocalyptic number.

1396782107 is a deficient number, since it is larger than the sum of its proper divisors (226597093).

1396782107 is an equidigital number, since it uses as much as digits as its factorization.

1396782107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382105.

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

The square root of 1396782107 is about 37373.5482259846. The cubic root of 1396782107 is about 1117.8311842480.

The spelling of 1396782107 in words is "one billion, three hundred ninety-six million, seven hundred eighty-two thousand, one hundred seven".