1320360413 has 4 divisors (see below), whose sum is σ = 1322985888. Its totient is φ = 1317734940.

The previous prime is 1320360383. The next prime is 1320360467. The reversal of 1320360413 is 3140630231.

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 an emirpimes, since its reverse is a distinct semiprime: 3140630231 = 14897 ⋅210823.

It is a cyclic number.

It is not a de Polignac number, because 1320360413 - 2²⁸ = 1051924957 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 (1320360493) 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, 1311983 + ... + 1312988.

It is an arithmetic number, because the mean of its divisors is an integer number (330746472).

Almost surely, 2^1320360413 is an apocalyptic number.

It is an amenable number.

1320360413 is a deficient number, since it is larger than the sum of its proper divisors (2625475).

1320360413 is an equidigital number, since it uses as much as digits as its factorization.

1320360413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625474.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1320360413 is about 36336.7639313134. The cubic root of 1320360413 is about 1097.0611395621.

Adding to 1320360413 its reverse (3140630231), we get a palindrome (4460990644).

The spelling of 1320360413 in words is "one billion, three hundred twenty million, three hundred sixty thousand, four hundred thirteen".