1310891739146 has 64 divisors (see below), whose sum is σ = 2194375311360. Its totient is φ = 587230182000.

The previous prime is 1310891739109. The next prime is 1310891739149. The reversal of 1310891739146 is 6419371980131.

It is a super-2 number, since 2×1310891739146² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1310891739149) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 51036335 + ... + 51062013.

It is an arithmetic number, because the mean of its divisors is an integer number (34287114240).

Almost surely, 2^{1310891739146} is an apocalyptic number.

1310891739146 is a deficient number, since it is larger than the sum of its proper divisors (883483572214).

1310891739146 is a wasteful number, since it uses less digits than its factorization.

1310891739146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25992 (or 25970 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 1310891739146 in words is "one trillion, three hundred ten billion, eight hundred ninety-one million, seven hundred thirty-nine thousand, one hundred forty-six".