1313403655026 has 16 divisors (see below), whose sum is σ = 2658455591904. Its totient is φ = 432526504704.

The previous prime is 1313403654949. The next prime is 1313403655051. The reversal of 1313403655026 is 6205563043131.

It is a super-2 number, since 2×1313403655026² (a number of 25 digits) contains 22 as substring.

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, 1318677871 + ... + 1318678866.

It is an arithmetic number, because the mean of its divisors is an integer number (166153474494).

Almost surely, 2^{1313403655026} is an apocalyptic number.

1313403655026 is an abundant number, since it is smaller than the sum of its proper divisors (1345051936878).

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

1313403655026 is a wasteful number, since it uses less digits than its factorization.

1313403655026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637356825.

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 1313403655026 its reverse (6205563043131), we get a palindrome (7518966698157).

The spelling of 1313403655026 in words is "one trillion, three hundred thirteen billion, four hundred three million, six hundred fifty-five thousand, twenty-six".