141713721 has 12 divisors (see below), whose sum is σ = 206998740. Its totient is φ = 93413760.

The previous prime is 141713707. The next prime is 141713731. The reversal of 141713721 is 127317141.

It can be written as a sum of positive squares in 2 ways, for example, as 48108096 + 93605625 = 6936^2 + 9675^2 .

It is not a de Polignac number, because 141713721 - 2¹¹ = 141711673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141713701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87660 + ... + 89261.

It is an arithmetic number, because the mean of its divisors is an integer number (17249895).

Almost surely, 2^141713721 is an apocalyptic number.

It is an amenable number.

141713721 is a deficient number, since it is larger than the sum of its proper divisors (65285019).

141713721 is a wasteful number, since it uses less digits than its factorization.

141713721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177016 (or 177013 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 141713721 is about 11904.3572275029. The cubic root of 141713721 is about 521.3595108315.

The spelling of 141713721 in words is "one hundred forty-one million, seven hundred thirteen thousand, seven hundred twenty-one".