1361307320 has 32 divisors (see below), whose sum is σ = 3069223920. Its totient is φ = 543406080.

The previous prime is 1361307313. The next prime is 1361307331. The reversal of 1361307320 is 237031631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361307320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15017 + ... + 54296.

Almost surely, 2^1361307320 is an apocalyptic number.

1361307320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361307320 is an abundant number, since it is smaller than the sum of its proper divisors (1707916600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361307320 is a wasteful number, since it uses less digits than its factorization.

1361307320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69815 (or 69811 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1361307320 is about 36895.8984170328. The cubic root of 1361307320 is about 1108.2865428579.

Adding to 1361307320 its reverse (237031631), we get a palindrome (1598338951).

The spelling of 1361307320 in words is "one billion, three hundred sixty-one million, three hundred seven thousand, three hundred twenty".