1421316345 has 8 divisors (see below), whose sum is σ = 2274106176. Its totient is φ = 758035376.

The previous prime is 1421316343. The next prime is 1421316353. The reversal of 1421316345 is 5436131241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421316345 - 2¹ = 1421316343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421316343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47377197 + ... + 47377226.

It is an arithmetic number, because the mean of its divisors is an integer number (284263272).

Almost surely, 2^1421316345 is an apocalyptic number.

1421316345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421316345 is a deficient number, since it is larger than the sum of its proper divisors (852789831).

1421316345 is an equidigital number, since it uses as much as digits as its factorization.

1421316345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94754431.

The product of its digits is 8640, while the sum is 30.

The square root of 1421316345 is about 37700.3494015639. The cubic root of 1421316345 is about 1124.3380718453.

Adding to 1421316345 its reverse (5436131241), we get a palindrome (6857447586).

The spelling of 1421316345 in words is "one billion, four hundred twenty-one million, three hundred sixteen thousand, three hundred forty-five".