1354768865 has 8 divisors (see below), whose sum is σ = 1640110248. Its totient is φ = 1074223360.

The previous prime is 1354768861. The next prime is 1354768889. The reversal of 1354768865 is 5688674531.

It can be written as a sum of positive squares in 4 ways, for example, as 41938576 + 1312830289 = 6476^2 + 36233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1354768865 - 2² = 1354768861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354768861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198346 + ... + 1199475.

It is an arithmetic number, because the mean of its divisors is an integer number (205013781).

Almost surely, 2^1354768865 is an apocalyptic number.

It is an amenable number.

1354768865 is a deficient number, since it is larger than the sum of its proper divisors (285341383).

1354768865 is a wasteful number, since it uses less digits than its factorization.

1354768865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397939.

The product of its digits is 4838400, while the sum is 53.

The square root of 1354768865 is about 36807.1849643517. The cubic root of 1354768865 is about 1106.5093016169.

The spelling of 1354768865 in words is "one billion, three hundred fifty-four million, seven hundred sixty-eight thousand, eight hundred sixty-five".