1440103613 has 16 divisors (see below), whose sum is σ = 1649363520. Its totient is φ = 1246358016.

The previous prime is 1440103607. The next prime is 1440103619. The reversal of 1440103613 is 3163010441.

It is an interprime number because it is at equal distance from previous prime (1440103607) and next prime (1440103619).

It is a cyclic number.

It is not a de Polignac number, because 1440103613 - 2⁴ = 1440103597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440103619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6095 + ... + 54012.

It is an arithmetic number, because the mean of its divisors is an integer number (103085220).

Almost surely, 2^1440103613 is an apocalyptic number.

1440103613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1440103613 is a deficient number, since it is larger than the sum of its proper divisors (209259907).

1440103613 is a wasteful number, since it uses less digits than its factorization.

1440103613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60236.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1440103613 is about 37948.6971186100. The cubic root of 1440103613 is about 1129.2703183316.

The spelling of 1440103613 in words is "one billion, four hundred forty million, one hundred three thousand, six hundred thirteen".