1440130413 has 4 divisors (see below), whose sum is σ = 1920173888. Its totient is φ = 960086940.

The previous prime is 1440130411. The next prime is 1440130423. The reversal of 1440130413 is 3140310441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1440130413 - 2¹ = 1440130411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440130413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440130411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240021733 + ... + 240021738.

It is an arithmetic number, because the mean of its divisors is an integer number (480043472).

Almost surely, 2^1440130413 is an apocalyptic number.

It is an amenable number.

1440130413 is a deficient number, since it is larger than the sum of its proper divisors (480043475).

1440130413 is an equidigital number, since it uses as much as digits as its factorization.

1440130413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480043474.

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

The square root of 1440130413 is about 37949.0502252691. The cubic root of 1440130413 is about 1129.2773234425.

Adding to 1440130413 its reverse (3140310441), we get a palindrome (4580440854).

The spelling of 1440130413 in words is "one billion, four hundred forty million, one hundred thirty thousand, four hundred thirteen".