1315468819 has 8 divisors (see below), whose sum is σ = 1582519040. Its totient is φ = 1068200136.

The previous prime is 1315468811. The next prime is 1315468829. The reversal of 1315468819 is 9188645131.

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 1315468819 - 2³ = 1315468811 is a prime.

It is a super-2 number, since 2×1315468819² = 3460916427522509522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315468811) 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, 4945239 + ... + 4945504.

It is an arithmetic number, because the mean of its divisors is an integer number (197814880).

Almost surely, 2^1315468819 is an apocalyptic number.

1315468819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1315468819 is a deficient number, since it is larger than the sum of its proper divisors (267050221).

1315468819 is an equidigital number, since it uses as much as digits as its factorization.

1315468819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9890769.

The product of its digits is 207360, while the sum is 46.

The square root of 1315468819 is about 36269.3923163871. The cubic root of 1315468819 is about 1095.7046871060.

The spelling of 1315468819 in words is "one billion, three hundred fifteen million, four hundred sixty-eight thousand, eight hundred nineteen".