1355016865 has 8 divisors (see below), whose sum is σ = 1626552360. Its totient is φ = 1083658752.

The previous prime is 1355016857. The next prime is 1355016919. The reversal of 1355016865 is 5686105531.

It can be written as a sum of positive squares in 4 ways, for example, as 538657681 + 816359184 = 23209^2 + 28572^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1355016865 - 2³ = 1355016857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26914 + ... + 58603.

It is an arithmetic number, because the mean of its divisors is an integer number (203319045).

Almost surely, 2^1355016865 is an apocalyptic number.

It is an amenable number.

1355016865 is a deficient number, since it is larger than the sum of its proper divisors (271535495).

1355016865 is an equidigital number, since it uses as much as digits as its factorization.

1355016865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88691.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 1355016865 is about 36810.5537176501. The cubic root of 1355016865 is about 1106.5768156092.

The spelling of 1355016865 in words is "one billion, three hundred fifty-five million, sixteen thousand, eight hundred sixty-five".