1420566313 has 4 divisors (see below), whose sum is σ = 1434631428. Its totient is φ = 1406501200.

The previous prime is 1420566281. The next prime is 1420566317. The reversal of 1420566313 is 3136650241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 629156889 + 791409424 = 25083^2 + 28132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420566313 - 2⁵ = 1420566281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420566317) 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, 7032406 + ... + 7032607.

It is an arithmetic number, because the mean of its divisors is an integer number (358657857).

Almost surely, 2^1420566313 is an apocalyptic number.

It is an amenable number.

1420566313 is a deficient number, since it is larger than the sum of its proper divisors (14065115).

1420566313 is a wasteful number, since it uses less digits than its factorization.

1420566313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14065114.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1420566313 is about 37690.4008071021. The cubic root of 1420566313 is about 1124.1402650928.

The spelling of 1420566313 in words is "one billion, four hundred twenty million, five hundred sixty-six thousand, three hundred thirteen".