141981280640 has 32 divisors (see below), whose sum is σ = 339424000560. Its totient is φ = 56792512000.

The previous prime is 141981280591. The next prime is 141981280667. The reversal of 141981280640 is 46082189141.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×141981280640³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 141981280591 and 141981280600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110922236 + ... + 110923515.

Almost surely, 2^141981280640 is an apocalyptic number.

141981280640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141981280640 is an abundant number, since it is smaller than the sum of its proper divisors (197442719920).

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

141981280640 is an equidigital number, since it uses as much as digits as its factorization.

141981280640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221845770 (or 221845758 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 141981280640 in words is "one hundred forty-one billion, nine hundred eighty-one million, two hundred eighty thousand, six hundred forty".