1315921195 has 8 divisors (see below), whose sum is σ = 1647762336. Its totient is φ = 1006965696.

The previous prime is 1315921151. The next prime is 1315921237. The reversal of 1315921195 is 5911295131.

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 1315921195 - 2⁷ = 1315921067 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 5721282 + ... + 5721511.

It is an arithmetic number, because the mean of its divisors is an integer number (205970292).

Almost surely, 2^1315921195 is an apocalyptic number.

1315921195 is a deficient number, since it is larger than the sum of its proper divisors (331841141).

1315921195 is a wasteful number, since it uses less digits than its factorization.

1315921195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442821.

The product of its digits is 12150, while the sum is 37.

The square root of 1315921195 is about 36275.6281131010. The cubic root of 1315921195 is about 1095.8302731806.

The spelling of 1315921195 in words is "one billion, three hundred fifteen million, nine hundred twenty-one thousand, one hundred ninety-five".