1396975105 has 4 divisors (see below), whose sum is σ = 1676370132. Its totient is φ = 1117580080.

The previous prime is 1396975087. The next prime is 1396975117. The reversal of 1396975105 is 5015796931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 403527744 + 993447361 = 20088^2 + 31519^2 .

It is not a de Polignac number, because 1396975105 - 2⁷ = 1396974977 is a prime.

It is a super-2 number, since 2×1396975105² = 3903078887979522050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139697506 + ... + 139697515.

It is an arithmetic number, because the mean of its divisors is an integer number (419092533).

Almost surely, 2^1396975105 is an apocalyptic number.

It is an amenable number.

1396975105 is a deficient number, since it is larger than the sum of its proper divisors (279395027).

1396975105 is an equidigital number, since it uses as much as digits as its factorization.

1396975105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279395026.

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 1396975105 is about 37376.1301501373. The cubic root of 1396975105 is about 1117.8826666866.

The spelling of 1396975105 in words is "one billion, three hundred ninety-six million, nine hundred seventy-five thousand, one hundred five".