1365352660 has 60 divisors (see below), whose sum is σ = 3345032628. Its totient is φ = 468104448.

The previous prime is 1365352631. The next prime is 1365352661. The reversal of 1365352660 is 662535631.

It can be written as a sum of positive squares in 2 ways, for example, as 512479044 + 852873616 = 22638^2 + 29204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365352661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33804 + ... + 62236.

Almost surely, 2^1365352660 is an apocalyptic number.

1365352660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1365352660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672516314).

1365352660 is an abundant number, since it is smaller than the sum of its proper divisors (1979679968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1365352660 is an equidigital number, since it uses as much as digits as its factorization.

1365352660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28470 (or 28447 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 1365352660 is about 36950.6787488403. The cubic root of 1365352660 is about 1109.3832734528.

It can be divided in two parts, 1365 and 352660, that added together give a square (354025 = 595²).

The spelling of 1365352660 in words is "one billion, three hundred sixty-five million, three hundred fifty-two thousand, six hundred sixty".