141721680640 has 72 divisors (see below), whose sum is σ = 345032947728. Its totient is φ = 55759319040.

The previous prime is 141721680613. The next prime is 141721680679. The reversal of 141721680640 is 46086127141.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 141721680593 and 141721680602.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 829462 + ... + 985621.

It is an arithmetic number, because the mean of its divisors is an integer number (4792124274).

Almost surely, 2^141721680640 is an apocalyptic number.

141721680640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141721680640 is an abundant number, since it is smaller than the sum of its proper divisors (203311267088).

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

141721680640 is an equidigital number, since it uses as much as digits as its factorization.

141721680640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815165 (or 1815151 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 141721680640 in words is "one hundred forty-one billion, seven hundred twenty-one million, six hundred eighty thousand, six hundred forty".