1440213203413 has 4 divisors (see below), whose sum is σ = 1446239200320. Its totient is φ = 1434187206508.

The previous prime is 1440213203357. The next prime is 1440213203479. The reversal of 1440213203413 is 3143023120441.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1440213203413 - 2¹³ = 1440213195221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440213203713) 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, 3012998095 + ... + 3012998572.

It is an arithmetic number, because the mean of its divisors is an integer number (361559800080).

Almost surely, 2^{1440213203413} is an apocalyptic number.

It is an amenable number.

1440213203413 is a deficient number, since it is larger than the sum of its proper divisors (6025996907).

1440213203413 is an equidigital number, since it uses as much as digits as its factorization.

1440213203413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025996906.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1440213203413 its reverse (3143023120441), we get a palindrome (4583236323854).

The spelling of 1440213203413 in words is "one trillion, four hundred forty billion, two hundred thirteen million, two hundred three thousand, four hundred thirteen".