1316243541144 has 32 divisors (see below), whose sum is σ = 3760695832320. Its totient is φ = 376069583136.

The previous prime is 1316243541133. The next prime is 1316243541161. The reversal of 1316243541144 is 4411453426131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3917391324 + ... + 3917391659.

It is an arithmetic number, because the mean of its divisors is an integer number (117521744760).

Almost surely, 2^{1316243541144} is an apocalyptic number.

1316243541144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1316243541144 is an abundant number, since it is smaller than the sum of its proper divisors (2444452291176).

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

1316243541144 is a wasteful number, since it uses less digits than its factorization.

1316243541144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834782999 (or 7834782995 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

Adding to 1316243541144 its reverse (4411453426131), we get a palindrome (5727696967275).

The spelling of 1316243541144 in words is "one trillion, three hundred sixteen billion, two hundred forty-three million, five hundred forty-one thousand, one hundred forty-four".