1411139645 has 4 divisors (see below), whose sum is σ = 1693367580. Its totient is φ = 1128911712.

The previous prime is 1411139641. The next prime is 1411139651. The reversal of 1411139645 is 5469311141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5469311141 = 7 ⋅781330163.

It can be written as a sum of positive squares in 2 ways, for example, as 996854329 + 414285316 = 31573^2 + 20354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1411139645 - 2² = 1411139641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411139641) 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, 141113960 + ... + 141113969.

It is an arithmetic number, because the mean of its divisors is an integer number (423341895).

Almost surely, 2^1411139645 is an apocalyptic number.

It is an amenable number.

1411139645 is a deficient number, since it is larger than the sum of its proper divisors (282227935).

1411139645 is an equidigital number, since it uses as much as digits as its factorization.

1411139645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282227934.

The product of its digits is 12960, while the sum is 35.

The square root of 1411139645 is about 37565.1386926762. The cubic root of 1411139645 is about 1121.6482017566.

The spelling of 1411139645 in words is "one billion, four hundred eleven million, one hundred thirty-nine thousand, six hundred forty-five".