1330205653 has 8 divisors (see below), whose sum is σ = 1535287680. Its totient is φ = 1128886800.

The previous prime is 1330205641. The next prime is 1330205663. The reversal of 1330205653 is 3565020331.

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 1330205653 - 2¹³ = 1330197461 is a prime.

It is a super-4 number, since 4×1330205653⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330205623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940033 + ... + 941446.

It is an arithmetic number, because the mean of its divisors is an integer number (191910960).

Almost surely, 2^1330205653 is an apocalyptic number.

It is an amenable number.

1330205653 is a deficient number, since it is larger than the sum of its proper divisors (205082027).

1330205653 is a wasteful number, since it uses less digits than its factorization.

1330205653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881587.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 1330205653 is about 36471.9844949517. The cubic root of 1330205653 is about 1099.7811280783.

Adding to 1330205653 its reverse (3565020331), we get a palindrome (4895225984).

The spelling of 1330205653 in words is "one billion, three hundred thirty million, two hundred five thousand, six hundred fifty-three".