1351365165 has 12 divisors (see below), whose sum is σ = 2342366364. Its totient is φ = 720728064.

The previous prime is 1351365157. The next prime is 1351365181. The reversal of 1351365165 is 5615631531.

1351365165 is a `hidden beast` number, since 1 + 3 + 5 + 136 + 516 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 396925929 + 954439236 = 19923^2 + 30894^2 .

It is not a de Polignac number, because 1351365165 - 2³ = 1351365157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15015124 + ... + 15015213.

It is an arithmetic number, because the mean of its divisors is an integer number (195197197).

Almost surely, 2^1351365165 is an apocalyptic number.

1351365165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351365165 is a deficient number, since it is larger than the sum of its proper divisors (991001199).

1351365165 is a wasteful number, since it uses less digits than its factorization.

1351365165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030348 (or 30030345 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 1351365165 is about 36760.9189901450. The cubic root of 1351365165 is about 1105.5818656324.

Adding to 1351365165 its reverse (5615631531), we get a palindrome (6966996696).

The spelling of 1351365165 in words is "one billion, three hundred fifty-one million, three hundred sixty-five thousand, one hundred sixty-five".