1351385045 has 16 divisors (see below), whose sum is σ = 1629257328. Its totient is φ = 1076060160.

The previous prime is 1351385039. The next prime is 1351385047. The reversal of 1351385045 is 5405831531.

It can be written as a sum of positive squares in 8 ways, for example, as 528529 + 1350856516 = 727^2 + 36754^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1351385045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351384996 and 1351385014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351385047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1784807 + ... + 1785563.

It is an arithmetic number, because the mean of its divisors is an integer number (101828583).

Almost surely, 2^1351385045 is an apocalyptic number.

It is an amenable number.

1351385045 is a deficient number, since it is larger than the sum of its proper divisors (277872283).

1351385045 is an equidigital number, since it uses as much as digits as its factorization.

1351385045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1351385045 is about 36761.1893850022. The cubic root of 1351385045 is about 1105.5872870290.

The spelling of 1351385045 in words is "one billion, three hundred fifty-one million, three hundred eighty-five thousand, forty-five".