1440141013 has 4 divisors (see below), whose sum is σ = 1440417888. Its totient is φ = 1439864140.

The previous prime is 1440140981. The next prime is 1440141029. The reversal of 1440141013 is 3101410441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3101410441 = 191 ⋅16237751.

It is a cyclic number.

It is not a de Polignac number, because 1440141013 - 2⁵ = 1440140981 is a prime.

It is a super-2 number, since 2×1440141013² = 4148012274649332338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440141083) 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 3 ways as a sum of consecutive naturals, for example, 130483 + ... + 141088.

It is an arithmetic number, because the mean of its divisors is an integer number (360104472).

Almost surely, 2^1440141013 is an apocalyptic number.

It is an amenable number.

1440141013 is a deficient number, since it is larger than the sum of its proper divisors (276875).

1440141013 is an equidigital number, since it uses as much as digits as its factorization.

1440141013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276874.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1440141013 is about 37949.1898859515. The cubic root of 1440141013 is about 1129.2800940967.

Adding to 1440141013 its reverse (3101410441), we get a palindrome (4541551454).

The spelling of 1440141013 in words is "one billion, four hundred forty million, one hundred forty-one thousand, thirteen".