1313402014660 has 72 divisors (see below), whose sum is σ = 2922776098200. Its totient is φ = 495634917888.

The previous prime is 1313402014651. The next prime is 1313402014667. The reversal of 1313402014660 is 664102043131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7039881216 + 1306362133444 = 83904^2 + 1142962^2 .

It is a super-2 number, since 2×1313402014660² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313402014667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77935 + ... + 1622614.

It is an arithmetic number, because the mean of its divisors is an integer number (40594112475).

Almost surely, 2^{1313402014660} is an apocalyptic number.

1313402014660 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 1313402014660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461388049100).

1313402014660 is an abundant number, since it is smaller than the sum of its proper divisors (1609374083540).

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

1313402014660 is a wasteful number, since it uses less digits than its factorization.

1313402014660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700677 (or 1700652 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 1313402014660 its reverse (664102043131), we get a palindrome (1977504057791).

The spelling of 1313402014660 in words is "one trillion, three hundred thirteen billion, four hundred two million, fourteen thousand, six hundred sixty".