1315226413 has 8 divisors (see below), whose sum is σ = 1351317240. Its totient is φ = 1279326720.

The previous prime is 1315226359. The next prime is 1315226431. The reversal of 1315226413 is 3146225131.

It can be written as a sum of positive squares in 4 ways, for example, as 30935844 + 1284290569 = 5562^2 + 35837^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315226413 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 (1315226483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33778 + ... + 61411.

It is an arithmetic number, because the mean of its divisors is an integer number (168914655).

Almost surely, 2^1315226413 is an apocalyptic number.

It is an amenable number.

1315226413 is a deficient number, since it is larger than the sum of its proper divisors (36090827).

1315226413 is an equidigital number, since it uses as much as digits as its factorization.

1315226413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95567.

The product of its digits is 4320, while the sum is 28.

The square root of 1315226413 is about 36266.0504190903. The cubic root of 1315226413 is about 1095.6373798710.

The spelling of 1315226413 in words is "one billion, three hundred fifteen million, two hundred twenty-six thousand, four hundred thirteen".