1440014213 has 4 divisors (see below), whose sum is σ = 1570924608. Its totient is φ = 1309103820.

The previous prime is 1440014207. The next prime is 1440014231. The reversal of 1440014213 is 3124100441.

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 1440014213 - 2¹⁴ = 1439997829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440014203) 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, 65455181 + ... + 65455202.

It is an arithmetic number, because the mean of its divisors is an integer number (392731152).

Almost surely, 2^1440014213 is an apocalyptic number.

It is an amenable number.

1440014213 is a deficient number, since it is larger than the sum of its proper divisors (130910395).

1440014213 is a wasteful number, since it uses less digits than its factorization.

1440014213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130910394.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440014213 is about 37947.5191942767. The cubic root of 1440014213 is about 1129.2469499075.

Adding to 1440014213 its reverse (3124100441), we get a palindrome (4564114654).

The spelling of 1440014213 in words is "one billion, four hundred forty million, fourteen thousand, two hundred thirteen".