1331363795 has 4 divisors (see below), whose sum is σ = 1597636560. Its totient is φ = 1065091032.

The previous prime is 1331363779. The next prime is 1331363797. The reversal of 1331363795 is 5973631331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1331363795 - 2⁴ = 1331363779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331363797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133136375 + ... + 133136384.

It is an arithmetic number, because the mean of its divisors is an integer number (399409140).

Almost surely, 2^1331363795 is an apocalyptic number.

1331363795 is a deficient number, since it is larger than the sum of its proper divisors (266272765).

1331363795 is an equidigital number, since it uses as much as digits as its factorization.

1331363795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266272764.

The product of its digits is 153090, while the sum is 41.

The square root of 1331363795 is about 36487.8581859774. The cubic root of 1331363795 is about 1100.1002098789.

The spelling of 1331363795 in words is "one billion, three hundred thirty-one million, three hundred sixty-three thousand, seven hundred ninety-five".