1443140013 has 48 divisors (see below), whose sum is σ = 2409113664. Its totient is φ = 763338240.

The previous prime is 1443140009. The next prime is 1443140033. The reversal of 1443140013 is 3100413441.

It is not a de Polignac number, because 1443140013 - 2² = 1443140009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443140033) 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 47 ways as a sum of consecutive naturals, for example, 147706 + ... + 157172.

It is an arithmetic number, because the mean of its divisors is an integer number (50189868).

Almost surely, 2^1443140013 is an apocalyptic number.

It is an amenable number.

1443140013 is a deficient number, since it is larger than the sum of its proper divisors (965973651).

1443140013 is a wasteful number, since it uses less digits than its factorization.

1443140013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562 (or 9555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1443140013 is about 37988.6826962979. The cubic root of 1443140013 is about 1130.0634347139.

Adding to 1443140013 its reverse (3100413441), we get a palindrome (4543553454).

The spelling of 1443140013 in words is "one billion, four hundred forty-three million, one hundred forty thousand, thirteen".