1317400046 has 8 divisors (see below), whose sum is σ = 1978672080. Its totient is φ = 657842688.

The previous prime is 1317400013. The next prime is 1317400061. The reversal of 1317400046 is 6400047131.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1317399988 and 1317400024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426746 + ... + 429821.

It is an arithmetic number, because the mean of its divisors is an integer number (247334010).

Almost surely, 2^1317400046 is an apocalyptic number.

1317400046 is a deficient number, since it is larger than the sum of its proper divisors (661272034).

1317400046 is an equidigital number, since it uses as much as digits as its factorization.

1317400046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857338.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1317400046 is about 36296.0059235173. The cubic root of 1317400046 is about 1096.2406227282.

Adding to 1317400046 its reverse (6400047131), we get a palindrome (7717447177).

The spelling of 1317400046 in words is "one billion, three hundred seventeen million, four hundred thousand, forty-six".