1359430665 has 8 divisors (see below), whose sum is σ = 2175089088. Its totient is φ = 725029680.

The previous prime is 1359430661. The next prime is 1359430697. The reversal of 1359430665 is 5660349531.

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

It is not a de Polignac number, because 1359430665 - 2² = 1359430661 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1359430661) 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, 45314341 + ... + 45314370.

It is an arithmetic number, because the mean of its divisors is an integer number (271886136).

Almost surely, 2^1359430665 is an apocalyptic number.

1359430665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1359430665 is a deficient number, since it is larger than the sum of its proper divisors (815658423).

1359430665 is an equidigital number, since it uses as much as digits as its factorization.

1359430665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90628719.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 1359430665 is about 36870.4578897523. The cubic root of 1359430665 is about 1107.7770257850. Note that the first 3 decimals are identical.

The spelling of 1359430665 in words is "one billion, three hundred fifty-nine million, four hundred thirty thousand, six hundred sixty-five".