1313401226540 has 48 divisors (see below), whose sum is σ = 2999716433280. Its totient is φ = 480146668800.

The previous prime is 1313401226521. The next prime is 1313401226551. The reversal of 1313401226540 is 456221043131.

It is a junction number, because it is equal to n+sod(n) for n = 1313401226497 and 1313401226506.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24981380 + ... + 25033899.

It is an arithmetic number, because the mean of its divisors is an integer number (62494092360).

Almost surely, 2^{1313401226540} is an apocalyptic number.

1313401226540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313401226540 is an abundant number, since it is smaller than the sum of its proper divisors (1686315206740).

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

1313401226540 is a wasteful number, since it uses less digits than its factorization.

1313401226540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50015402 (or 50015400 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 1313401226540 its reverse (456221043131), we get a palindrome (1769622269671).

The spelling of 1313401226540 in words is "one trillion, three hundred thirteen billion, four hundred one million, two hundred twenty-six thousand, five hundred forty".