141493924721 has 4 divisors (see below), whose sum is σ = 141494866944. Its totient is φ = 141492982500.

The previous prime is 141493924717. The next prime is 141493924751. The reversal of 141493924721 is 127429394141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 141493924721 - 2² = 141493924717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141493924751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189905 + ... + 564846.

It is an arithmetic number, because the mean of its divisors is an integer number (35373716736).

Almost surely, 2^141493924721 is an apocalyptic number.

It is an amenable number.

141493924721 is a deficient number, since it is larger than the sum of its proper divisors (942223).

141493924721 is an equidigital number, since it uses as much as digits as its factorization.

141493924721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942222.

The product of its digits is 435456, while the sum is 47.

The spelling of 141493924721 in words is "one hundred forty-one billion, four hundred ninety-three million, nine hundred twenty-four thousand, seven hundred twenty-one".