1313340245 has 8 divisors (see below), whose sum is σ = 1801152384. Its totient is φ = 900576144.

The previous prime is 1313340241. The next prime is 1313340247. The reversal of 1313340245 is 5420433131.

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 1313340245 - 2² = 1313340241 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 (1313340241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18761969 + ... + 18762038.

It is an arithmetic number, because the mean of its divisors is an integer number (225144048).

Almost surely, 2^1313340245 is an apocalyptic number.

It is an amenable number.

1313340245 is a deficient number, since it is larger than the sum of its proper divisors (487812139).

1313340245 is an equidigital number, since it uses as much as digits as its factorization.

1313340245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37524019.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1313340245 is about 36240.0364928072. The cubic root of 1313340245 is about 1095.1133776114.

Adding to 1313340245 its reverse (5420433131), we get a palindrome (6733773376).

The spelling of 1313340245 in words is "one billion, three hundred thirteen million, three hundred forty thousand, two hundred forty-five".