1351148065 has 4 divisors (see below), whose sum is σ = 1621377684. Its totient is φ = 1080918448.

The previous prime is 1351148059. The next prime is 1351148081. The reversal of 1351148065 is 5608411531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5608411531 = 31 ⋅180916501.

It can be written as a sum of positive squares in 2 ways, for example, as 273207841 + 1077940224 = 16529^2 + 32832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351148065 - 2⁷ = 1351147937 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 1351148065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135114802 + ... + 135114811.

It is an arithmetic number, because the mean of its divisors is an integer number (405344421).

Almost surely, 2^1351148065 is an apocalyptic number.

It is an amenable number.

1351148065 is a deficient number, since it is larger than the sum of its proper divisors (270229619).

1351148065 is an equidigital number, since it uses as much as digits as its factorization.

1351148065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270229618.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1351148065 is about 36757.9660073840. The cubic root of 1351148065 is about 1105.5226576838.

Adding to 1351148065 its reverse (5608411531), we get a palindrome (6959559596).

The spelling of 1351148065 in words is "one billion, three hundred fifty-one million, one hundred forty-eight thousand, sixty-five".