1351386361 has 6 divisors (see below), whose sum is σ = 1463335710. Its totient is φ = 1247433408.

The previous prime is 1351386359. The next prime is 1351386397. The reversal of 1351386361 is 1636831531.

It can be written as a sum of positive squares in 3 ways, for example, as 10361961 + 1341024400 = 3219^2 + 36620^2 .

It is not a de Polignac number, because 1351386361 - 2¹ = 1351386359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351386361.

It is not an unprimeable number, because it can be changed into a prime (1351386301) 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 5 ways as a sum of consecutive naturals, for example, 3998016 + ... + 3998353.

It is an arithmetic number, because the mean of its divisors is an integer number (243889285).

Almost surely, 2^1351386361 is an apocalyptic number.

It is an amenable number.

1351386361 is a deficient number, since it is larger than the sum of its proper divisors (111949349).

1351386361 is an equidigital number, since it uses as much as digits as its factorization.

1351386361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996395 (or 7996382 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 1351386361 is about 36761.2072843099. The cubic root of 1351386361 is about 1105.5876459083.

The spelling of 1351386361 in words is "one billion, three hundred fifty-one million, three hundred eighty-six thousand, three hundred sixty-one".