140356657320 has 256 divisors, whose sum is σ = 486775111680. Its totient is φ = 31997644800.

The previous prime is 140356657267. The next prime is 140356657321. The reversal of 140356657320 is 23756653041.

It is not an unprimeable number, because it can be changed into a prime (140356657321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41983569 + ... + 41986911.

It is an arithmetic number, because the mean of its divisors is an integer number (1901465280).

Almost surely, 2^140356657320 is an apocalyptic number.

140356657320 is a gapful number since it is divisible by the number (10) 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 140356657320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243387555840).

140356657320 is an abundant number, since it is smaller than the sum of its proper divisors (346418454360).

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

140356657320 is a wasteful number, since it uses less digits than its factorization.

140356657320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5252 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 140356657320 in words is "one hundred forty billion, three hundred fifty-six million, six hundred fifty-seven thousand, three hundred twenty".