1345740948736 has 72 divisors (see below), whose sum is σ = 2809350290880. Its totient is φ = 642161135616.

The previous prime is 1345740948707. The next prime is 1345740948751. The reversal of 1345740948736 is 6378490475431.

It is a super-2 number, since 2×1345740948736² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 2350420 + ... + 2866348.

It is an arithmetic number, because the mean of its divisors is an integer number (39018754040).

Almost surely, 2^{1345740948736} is an apocalyptic number.

1345740948736 is a gapful number since it is divisible by the number (16) 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 1345740948736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404675145440).

1345740948736 is an abundant number, since it is smaller than the sum of its proper divisors (1463609342144).

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

1345740948736 is an equidigital number, since it uses as much as digits as its factorization.

1345740948736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516411 (or 516397 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 1345740948736 in words is "one trillion, three hundred forty-five billion, seven hundred forty million, nine hundred forty-eight thousand, seven hundred thirty-six".