140891321736 has 288 divisors, whose sum is σ = 449734615200. Its totient is φ = 39498055680.

The previous prime is 140891321729. The next prime is 140891321749. The reversal of 140891321736 is 637123198041.

It is a junction number, because it is equal to n+sod(n) for n = 140891321691 and 140891321700.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13499176 + ... + 13509608.

It is an arithmetic number, because the mean of its divisors is an integer number (1561578525).

Almost surely, 2^140891321736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140891321736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224867307600).

140891321736 is an abundant number, since it is smaller than the sum of its proper divisors (308843293464).

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

140891321736 is a wasteful number, since it uses less digits than its factorization.

140891321736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549 (or 10525 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 140891321736 in words is "one hundred forty billion, eight hundred ninety-one million, three hundred twenty-one thousand, seven hundred thirty-six".