141726721 has 8 divisors (see below), whose sum is σ = 144595584. Its totient is φ = 138882240.

The previous prime is 141726701. The next prime is 141726727. The reversal of 141726721 is 127627141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141726721 - 2⁷ = 141726593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141726727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (18074448).

Almost surely, 2^141726721 is an apocalyptic number.

It is an amenable number.

141726721 is a deficient number, since it is larger than the sum of its proper divisors (2868863).

141726721 is a wasteful number, since it uses less digits than its factorization.

141726721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191.

The product of its digits is 4704, while the sum is 31.

The square root of 141726721 is about 11904.9032335421. The cubic root of 141726721 is about 521.3754525163.

The spelling of 141726721 in words is "one hundred forty-one million, seven hundred twenty-six thousand, seven hundred twenty-one".