1421350213 has 4 divisors (see below), whose sum is σ = 1422897760. Its totient is φ = 1419802668.

The previous prime is 1421350201. The next prime is 1421350219. The reversal of 1421350213 is 3120531241.

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 a de Polignac number, because none of the positive numbers 2^k-1421350213 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 (1421350219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772395 + ... + 774232.

It is an arithmetic number, because the mean of its divisors is an integer number (355724440).

Almost surely, 2^1421350213 is an apocalyptic number.

It is an amenable number.

1421350213 is a deficient number, since it is larger than the sum of its proper divisors (1547547).

1421350213 is an equidigital number, since it uses as much as digits as its factorization.

1421350213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547546.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1421350213 is about 37700.7985724441. The cubic root of 1421350213 is about 1124.3470022474.

Adding to 1421350213 its reverse (3120531241), we get a palindrome (4541881454).

The spelling of 1421350213 in words is "one billion, four hundred twenty-one million, three hundred fifty thousand, two hundred thirteen".