1420344213 has 4 divisors (see below), whose sum is σ = 1893792288. Its totient is φ = 946896140.

The previous prime is 1420344209. The next prime is 1420344253. The reversal of 1420344213 is 3124430241.

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 1420344213 - 2² = 1420344209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420344253) 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, 236724033 + ... + 236724038.

It is an arithmetic number, because the mean of its divisors is an integer number (473448072).

Almost surely, 2^1420344213 is an apocalyptic number.

It is an amenable number.

1420344213 is a deficient number, since it is larger than the sum of its proper divisors (473448075).

1420344213 is an equidigital number, since it uses as much as digits as its factorization.

1420344213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473448074.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1420344213 is about 37687.4543183803. The cubic root of 1420344213 is about 1124.0816770580.

Adding to 1420344213 its reverse (3124430241), we get a palindrome (4544774454).

The spelling of 1420344213 in words is "one billion, four hundred twenty million, three hundred forty-four thousand, two hundred thirteen".