1360807813 has 4 divisors (see below), whose sum is σ = 1360892128. Its totient is φ = 1360723500.

The previous prime is 1360807787. The next prime is 1360807817. The reversal of 1360807813 is 3187080631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3187080631 = 7 ⋅455297233.

It is a cyclic number.

It is not a de Polignac number, because 1360807813 - 2⁵ = 1360807781 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 (1360807817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9531 + ... + 53032.

It is an arithmetic number, because the mean of its divisors is an integer number (340223032).

Almost surely, 2^1360807813 is an apocalyptic number.

It is an amenable number.

1360807813 is a deficient number, since it is larger than the sum of its proper divisors (84315).

1360807813 is an equidigital number, since it uses as much as digits as its factorization.

1360807813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84314.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1360807813 is about 36889.1286560146. The cubic root of 1360807813 is about 1108.1509710678.

The spelling of 1360807813 in words is "one billion, three hundred sixty million, eight hundred seven thousand, eight hundred thirteen".